In this lesson: Master st/sist/stat (stand, set, place) — the root behind things that stand still (stationary, static), stand in your path (obstacle), and keep standing under pressure (persist, withstand).
About This Root
Almost every word in this family can be traced back to a single human image: a person standing still on their feet. The Latin verb stāre meant 'to stand,' and from it Latin built a sprawling family by attaching prefixes that say how or where you are standing.
The most direct branch keeps the bare idea of standing or being upright. con- (together) + stāre gives constant — something that keeps standing the same way. circum- (around) + stāre gives circumstance — the conditions 'standing around' an event. in- (on) + stāre gives instant and instance — what is 'standing on' you right now, this very case.
Latin also made a second verb, sistere, meaning 'to make something stand, to take a stand.' This is the -sist branch, and the prefix tells you the direction of the stand: re- (against) + sistere → resist (stand against); con- (together) + sistere → consist (stand together = be made of); as- (toward) + sistere → assist (stand by someone to help); per- (through) + sistere → persist (keep standing through); and the surprising exist = ex- (out) + sistere = 'to stand out into being' — to be is literally to stand out from nothing.
A third verb, statuere ('to set up, establish'), powers the -stitut- words: con- + statuere → constitute (set up together), in- → institute (set up), sub- → substitute (set one up under another). And the noun forms status / statiō ('a standing, a position') gave English state, status, station, statue, statute, stable, statistics — all about a fixed standing or position.
Finally there is a worn-down, everyday Latin branch that came through Old French: stay, stage, rest, arrest, plus substance ('what stands under' a thing — its essence) and distance ('standing apart'). Store, restore and restaurant (a place that restores you) come instead from a related Latin verb, -staurāre, linked to the same ancient root.
The root reaches far beyond Latin. The Germanic verbs stand and understand are cousins, and so is Greek histēmi ('to stand'), which gave us system (things set up together), static, and even ecstasy ('standing outside oneself'). All of them descend from the same prehistoric Indo-European root steh₂-, 'to stand.' Once you see the picture of standing, the whole enormous family lines up.
Every st-/sist-/stat- word hides a person standing. Picture where they stand: resist = stand against, consist = stand together, assist = stand beside to help, exist = stand out into being, status = the position you stand in.
Focus words· 8
ob- (against, in the way of) + sta (stand) + -cle (instrument/thing) = 'a thing that stands in the way.' Picture something planted right in front of you, blocking the path. The physical roadblock easily extends to any abstract hindrance — an obstacle to peace, an obstacle to success.
The biggest obstacle to the deal was the high price.
Runners leaped over each obstacle on the course.
In stationary and persist, the root st/sist/stat means…
per- (through, thoroughly) + sist (a reduplicated form of stāre, 'to stand') = 'to keep standing all the way through.' Whether it's a person who persists in their effort or a problem that persists for years, the image is the same: standing firm, refusing to fall, lasting through.
The -sist- in persist, resist, insist, consist and exist is a special doubled form of stāre. Latin reduplicated the s (si-st-) to mean 'cause to stand' — that's why this whole family is about taking a stand: standing through (persist), against (resist), on (insist), or out (exist).
If you persist in asking, they may eventually agree.
The symptoms persisted for several weeks.
A component part of a whole; a voter represented by an elected official
ob- (in the way) + sta + -cle → "something standing in your path." Which word?
An irrational belief that events can be influenced by magical or mystical means
Extended family · 40 words
See the root page for the full family.
Coach note
Two TOEFL alarms. First, stationary (standing still — the stationary front in weather passages) sounds exactly like stationery (writing paper — named after medieval sellers with a fixed station in the market; same root, different job). Second, English stand is the Germanic cousin of Latin stare — the same ancient root — so withstand (stand firm against an earthquake) belongs to this family too. When a TOEFL vocabulary question highlights an unfamiliar st-word, ask first: what is standing, and which prefix says where?
Related Roots
st (from stāre) is 'to stand'; sed/sid (from sedēre) is 'to sit.' They are the two basic postures and often pair up as opposites: a constant (standing firm) vs a resident (one who sits/settles). Standing → st; sitting/settling → sed.
Looks close to st- but is unrelated. stinct (instinct, distinct, extinct) comes from Latin stinguere 'to prick / put out,' not from stāre 'to stand.' If the meaning is about standing/position → st; if it's about a sharp prick or being snuffed out → stinct.
The Greek branch of the same Indo-European root *steh₂-. Greek histēmi 'to stand' gave English system, static, and ecstasy. Same ancestor as Latin stāre, different language path.
Practice
What does the root st/sist/stat mean?