Where does “roier” come from?

roier (Old French) comes from Old French roie, from Vulgar Latin riga, from Gaulish rica, from Proto-Celtic ɸrikā, from Proto-Indo-European perḱ-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “roier”, step by step

StepLanguageWordMeaning
1Old Frenchroie
2Vulgar Latinrigasecond-person singular present active imperative...
3Gaulishricafurrow
4Proto-Celticɸrikāfurrow
5Proto-Indo-Europeanperḱ-colored; motley; to open, rip up
6Proto-Indo-Europeanper-before, in front; first; to go through
7Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “roier

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European perḱ-