Where does “swyð” come from?

swyð (Middle Welsh) comes from Proto-Brythonic *suɨð, from Latin sēdēs, from Latin sedeō, from Proto-Italic sedēō, from Proto-Indo-European sḗd- — to sit.

Ancestry of “swyð”, step by step

StepLanguageWordMeaning
1Proto-Brythonic*suɨð—
2Latinsēdēsseat, chair
3Latinsedeōto sit, to be seated
4Proto-Italicsedēōsit, be sitting, be seated
5Proto-Indo-Europeansḗd-to sit

Words derived from “swyð”

Every word from Proto-Indo-European sḗd- →Every word from Proto-Italic sedēō →Every word from Latin sedeō →