obvi
Latinto block, hinder, meet
About This Root
The root obvi comes from Latin obvius, built from ob- ('in the way of, toward') + via ('road, way' — the same via you see in viaduct, deviate, and 'via email'). The literal picture is striking: something obvius is 'lying right in your road,' standing directly in your path as you walk.
Think about what that means. If a thing is sitting in the middle of the road in front of you, you cannot miss it. You don't have to search, squint, or be told — it is simply there, blocking the way, impossible to overlook. That is exactly how the meaning of obvious evolved: from 'in the path' to 'plain to see, self-evident.' The most everyday word in the family carries a 2,000-year-old image of an object planted in the road.
The same 'in the road' image runs through the small family in two directions:
- obvious / obviously: what stands in your path is plain to see → easily perceived, clearly true.
- obviate: ob- + via originally meant 'to go to meet, to block on the road.' To obviate a difficulty is to step out and meet a problem on the road before it reaches you — to head it off, clearing the way so the trouble never arrives. To obviate the need for something is to make it unnecessary by removing the obstacle in advance.
So the root has a quiet double life: when something is in your road and you see it, it's obvious; when you go out to meet trouble on the road and remove it, you obviate it. Both come from the same image of a path and what lies across it.
obvi = ob- (in the way) + via (road). Picture a rock sitting in the middle of the road: you can't miss it (obvious), and a smart traveler clears it away before it trips anyone (obviate).
Core Words Deep Dive
The few words from this family worth telling in full — one by one.
The everyday word that hides an ancient picture. ob- (in the way) + via (road) = 'lying in your path.' Something planted in the road in front of you cannot be missed — and that is precisely what obvious means: so plain that no searching or explaining is needed. Next time you call something obvious, you're saying it's 'sitting right in the road.'
The surprising member, and the harder word to use. ob- + via first meant 'to go to meet on the road, to block.' To obviate a problem is to meet it on the road and head it off before it arrives; to obviate the need for something is to make that thing unnecessary by clearing the obstacle in advance. Note: you obviate the need, the difficulty, the problem — not the thing you actually want.