Where does “sad” come from?

sad (Welsh) comes from Middle English sad, from Old English sæd, from Proto-West Germanic *sād, from Proto-Germanic sēdiz, from Proto-Indo-European seh₁- — to impress, insert; to sow, to plant; long,...

sad (Welsh): firm, steady, stable

Definitions

firm, steady, stable

Ancestry of “sad”, step by step

Step	Language	Word	Meaning
1	Middle English	sad	sated, weary having had enough
2	Old English	sæd	full, sated; weary; seed
3	Proto-West Germanic	*sād	—
4	Proto-Germanic	sēdiz	seed
5	Proto-Indo-European	seh₁-	to impress, insert; to sow, to plant; long,...

Words derived from “sad”

ansad
sadio
ansadrwydd

Every word from Proto-Indo-European seh₁- →Every word from Proto-Germanic sēdiz →Every word from Proto-West Germanic *sād →