vis
Latinsee, look
About This Root
The root vis comes from Latin vidēre, 'to see.' Latin verbs carry two stems, and vidēre split into two families that look quite different on the surface but mean the same thing.
The present stem gives us vid-. Latin video literally meant 'I see' — which is exactly why a moving picture you watch is a video. From ē- (out) + vidēre came ēvidēns, 'seeing out, clearly visible,' which became evident and evidence: facts so clear you can practically see them. And from pro- (ahead) + vidēre came prōvidēre, 'to see ahead' — to look into the future and prepare for it. That single image fans out into a whole cluster: provide (see ahead and supply), provision (what you've laid in for the future), provisional (a temporary 'for now' arrangement), and even provided that (a clause that 'sees ahead' to a condition).
The past-participle stem vīsum gives us vis-. This is the workhorse:
- vision — the act or power of seeing; later, a thing seen in the mind
- visible / invisible — able / unable to be seen
- visual / visualize — relating to sight; to form a picture in the mind
- visit — from vīsitāre, 'to go and see' someone repeatedly
- vista — Italian for 'a view'; the long see-through down an avenue
- visa — short for Latin carta vīsa, 'a paper that has been seen' (and stamped as checked)
Prefixes then steer the looking. super- (over, above) + vidēre → supervise: to look down over someone's work. re- (again) + vīsum → revise: to look at again and fix. ad- (toward) + vīsum → advise: to look toward a matter and offer a considered opinion. in- (in, at) + vīsum → envisage / envision: to look at something in the mind's eye.
Finally, French handling of the same Latin verb softened vis- into view: what you can see. Prefixes do the same work here as on the Latin side — re- + view = review (look again, evaluate), inter- + view = interview (two parties looking at each other and questioning), pre- + view = preview (look in advance), over- + view = overview (a look from above). And the verb-ending -vey in survey is sur- (over, from above) + vidēre: to look over the whole field.
The pattern is simple once you see it: whatever the surface form — vid, vis, view, -vey — it is always about the eye, real or imagined. The prefix tells you from where or in which direction you are looking; the root just means look.
Think of the word visit — you go to see someone. Or video — Latin for 'I see.' Whenever you spot vis / vid / view / -vey, an eye is involved: a visible thing can be seen, a vision is seen in the mind, you re-view by looking again, you super-vise by looking from above.
Core Words Deep Dive
The few words from this family worth telling in full — one by one.
The least obvious vis-word, because it's spelled with vid and has nothing to do with eyes on the surface. Latin pro- (ahead) + vidēre (see) = prōvidēre, 'to see ahead.' A good provider is someone who looks into the future, foresees what will be needed, and lays it in. That foresight is why provision means a stock laid by for the future, why provisional means 'for now, pending what we foresee,' and why provided that introduces a condition you've looked ahead to. Same root also gave the doublet purvey and the word prudent (a contraction of prōvidēns, 'foreseeing').
super- (over, above) + vīsum (seen) = 'to look down over.' A supervisor is literally someone standing above your work, watching it from a higher vantage point. The 'above' is now hierarchical rather than physical, but the image still explains why supervision implies authority and oversight, not mere watching — you watch from a position over the thing watched.
ad- (toward) + vīsum (seen) traces back to the phrase 'as it seems to me' (ad visum). To advise is to turn and look toward someone's situation, then say how it appears to you and what you'd do. Note the spelling/pronunciation pair English keeps: advise (verb, /z/ sound) vs advice (noun, /s/ sound) — same root, different ending, like devise/device.
A loan straight from Italian, where vista means 'sight, view.' Its classic use is the long, framed see-through — the avenue of trees that draws the eye to a distant point. From that physical 'long view' English borrowed the figurative one: new vistas of opportunity are future prospects you can suddenly see opening up ahead of you.
Related Roots
spec/spect (from Latin specere) also means 'look,' and overlaps heavily with vis: inspect vs view, prospect vs preview, respect vs revise. Rough split: spect-words often lean toward active scrutiny and judgment (inspect, suspect, respect), while vis-words lean toward the plain fact or faculty of sight (vision, visible, visit). Both are Latin, so the line is fuzzy.
Greek skopein, 'to look at, examine,' is the Greek counterpart of Latin vidēre. It shows up in instruments and fields of view: microscope, telescope, periscope, scope. Quick cue: a device or scientific 'view' tends to use Greek -scope; everyday seeing tends to use Latin vis/view.
Greek optos/ops, 'sight, eye,' is the third great seeing root: optic, optical, optometry, autopsy ('seeing for oneself'). Greek opt covers the physics/biology of the eye; Latin vis covers the experience and act of seeing.
Associated Words · 107
advice
A recommendation or opinion offered to guide someone's actions
advisable
Recommended as sensible or wise; prudent and desirable
advise
To offer advice or recommendations; to formally inform someone
adviser
A person who gives expert advice
advisor
A person who gives expert advice
advisory
Giving or containing advice; an official public warning
audio-visual
Involving both sound and visual elements
clairvoyance
The supposed power to perceive things beyond normal senses; keen insight
clairvoyant
A person with supposed supernatural perception; having the ability to foresee the future
envisage
To picture or imagine something in one's mind
envision
To imagine or picture something in one's mind
evidence
facts that indicate whether something is true
evidence-based
Based on actual evidence
evident
Clearly seen or understood; obvious
evidential
Relating to or serving as evidence
evidently
Clearly and obviously
home-video
A video recording made at home of personal or family events
ill-advised
Not carefully thought out; unwise
improvident
Failing to plan or save for the future; reckless
improvisation
Spontaneous creation or performance without prior preparation
improvisational
Relating to or involving improvisation
improvisatory
Of or relating to improvisation
improvise
To create or perform without preparation; to make do with what is available
improvised
Made or done without preparation; unrehearsed
improviser
A person who improvises
inadvisable
Not wise or recommended
interview
a formal questioning session; to ask questions of someone
interviewee
The person being interviewed
interviewer
The person who conducts an interview
invidious
Causing resentment or offense; unfairly discriminating
invidiously
In a way that causes resentment or envy
invisible
Unable to be seen; not visible
invisibly
In a way that cannot be seen
low-vision
Significantly reduced eyesight that cannot be fully corrected
night-vision
The ability or technology to see in darkness
nonvisual
Not involving sight or vision
ocean-view
Having a view of the ocean
overview
A brief general summary of a subject
point-of-view
A particular perspective or standpoint
preview
An advance showing of something; a trailer for a film or show
previse
To foresee or forewarn
prevision
Foresight or advance knowledge of future events
provide
to supply or make available
provided
On the condition that; only if
providence
Foresight and careful planning; divine care and guidance
provident
Carefully planning and saving for the future
providential
Fortunate, as if arranged by divine providence
provision
The act of supplying something; a stock of food or goods; a clause in a law or agreement
provisional
Temporary and subject to change; not yet final
provisory
Containing a condition or proviso; temporary
resurvey
A second survey; to survey again
review
an evaluation; a critical article; to examine again
reviewer
A person who critically evaluates books, films, or other works
reviewing
Examining or assessing something again
revise
To review and improve written material; to study again for an exam
revised
Updated or corrected from an earlier version
revision
The process of correcting or improving something; reviewing previously learned material
revisionary
Of or relating to revision
revisit
To visit again; to reconsider a topic
self-evident
Obviously true, requiring no proof or explanation
self-evidently
In an obviously true manner, needing no proof
side-view
A view of something seen from the side
supervise
To watch over and direct people or work
supervised
Done under the watch of a supervisor
supervising
The act of overseeing others' work
supervision
The act of overseeing and directing others' work
supervisor
A person who oversees and directs others' work
supervisory
Relating to supervision or oversight
survey
An investigation collecting information; to examine carefully; land measurement
surveying
The science of measuring land and distances for mapping
surveyor
A person who measures land or inspects and assesses something
televise
To broadcast by television
television
a device for viewing broadcast images and sound; TV
televisual
Relating to or suitable for television
unsupervised
Not watched over or monitored
video
A recorded moving image or film clip; to record with a video camera
video-game
An electronic game played on a screen
videocamera
A camera for recording moving images as video
videocassette
A cassette containing videotape for recording or playback
videocast
A video broadcast distributed online; to broadcast video online
videodisc
An optical disc containing recorded video content
videophone
A telephone that transmits both audio and video
videotape
Magnetic tape for recording video and sound; to record on such tape
view
what one can see; an opinion; to look at or consider
viewer
A person who watches something, especially television
viewing
The act of watching something; a pre-burial gathering
viewpoint
A particular way of thinking about something; a position from which something is observed
visa
An official permit to enter a country; to endorse a passport with such a permit
visage
A person's face or outward appearance
visibility
The degree to which things can be seen; public awareness
visible
Able to be seen; noticeable or apparent
visible-light
Light that is detectable by the human eye
visibly
In a clearly noticeable way
vision
The ability to see; something imagined or dreamed; a plan for the future
visionary
A person with creative foresight; having original vision or imagination
visit
to go to see a person or place; an act of visiting
visitable
Worth visiting or accessible to visitors
visitation
An official visit or inspection; a disaster; a supernatural encounter
visitor
A person who visits someone or a place; a guest or tourist
vista
A wide scenic view; a mental vision of possibilities
visual
Relating to sight or vision; an image or graphic element
visualization
Forming a mental image; a visual representation of data
visualize
To form a clear mental image of something
visualized
Represented or imagined in visual form
visually
By means of sight; in terms of appearance
well-advised
Acting with good judgment and prudence; 明智的，审慎的
worldview
An overall perspective and set of beliefs about the world