Where does “sych” come from?

sych (Middle Welsh) comes from Old Welsh sich, from Proto-Brythonic sɨx, from Latin siccus, from Proto-Celtic siskʷos, from Proto-Indo-European sisku-.

Ancestry of “sych”, step by step

StepLanguageWordMeaning
1Old Welshsich—
2Proto-Brythonicsɨxdry
3Latinsiccusdry; sober; thirsty
4Proto-Celticsiskʷosdry
5Proto-Indo-Europeansisku-—

Words derived from “sych”

Every word from Proto-Indo-European sisku- →Every word from Proto-Celtic siskʷos →Every word from Latin siccus →