Where does “salach” come from?

salach (Middle Irish) comes from Old Irish salach, from Proto-Celtic salākos.

Ancestry of “salach”, step by step

StepLanguageWordMeaning
1Old Irishsalachdirty, foul
2Proto-Celticsalākos—

Words derived from “salach”

Every word from Proto-Celtic salākos →Every word from Old Irish salach →
salach — Etymology, Origin & Word History | Etymology Explorer