Where does “reme” come from?

reme (Middle Irish) comes from Old Irish rïam, from Old Irish ré, from Proto-Celtic ɸrīs, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “reme”, step by step

StepLanguageWordMeaning
1Old Irishrïambefore it
2Old Irishbefore
3Proto-Celticɸrīsbefore
4Proto-Indo-Europeanper-before, in front; first; to go through
5Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “reme

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Celtic ɸrīs