Where does “par-” come from?

par- (English) comes from Ancient Greek πᾰρᾰ-, from Ancient Greek παρά, from Latin verēdus, from Gaulish werēdos, from Proto-Celtic *uɸoreidos — horse.

Ancestry of “par-”, step by step

StepLanguageWordMeaning
1Ancient Greekπᾰρᾰ-near; next to; by, near
2Ancient Greekπαρά
3LatinverēdusA fast or light breed of horse; courier's horse; hunter
4Gaulishwerēdoshorse
5Proto-Celtic*uɸoreidoshorse

Words derived from “par-

Every word from Proto-Celtic *uɸoreidosEvery word from Ancient Greek πᾰρᾰ-Every word from Gaulish werēdos