Where does “suidid” come from?

suidid (Middle Irish) comes from Old Irish saidid, from Proto-Celtic sedeti, from Proto-Indo-European sḗd- — to sit.

Ancestry of “suidid”, step by step

StepLanguageWordMeaning
1Old Irishsaididto sit
2Proto-Celticsedetito sit
3Proto-Indo-Europeansḗd-to sit

Words derived from “suidid

Every word from Proto-Indo-European sḗd-Every word from Proto-Celtic sedetiEvery word from Old Irish saidid