Where does “soutere” come from?

soutere (Middle English) comes from Old English sūtere, from Latin sūtor, from Latin suō, from Proto-Italic sūō, from Proto-Indo-European *syewH-.

Ancestry of “soutere”, step by step

Step	Language	Word	Meaning
1	Old English	sūtere	—
2	Latin	sūtor	—
3	Latin	suō	—
4	Proto-Italic	sūō	sew, stitch
5	Proto-Indo-European	*syewH-	—