Where does “soíre” come from?

soíre (Old Irish) comes from Old Irish sóer, from Proto-Celtic *[[su-]][[wiros]].

Ancestry of “soíre”, step by step

StepLanguageWordMeaning
1Old Irishsóerfree; freeman; noble
2Proto-Celtic*[[su-]][[wiros]]
Every word from Proto-Celtic *[[su-]][[wiros]]Every word from Old Irish sóer