Where does “soye” come from?

soye (Walloon) comes from Old French soie, from Old French seie, from Latin sēta, from Latin saeta, from Proto-Italic saitā, from Proto-Indo-European séh₂ito-, from Proto-Indo-European sh₂ey-, from Proto-Indo-European seh₂- — to satiate, satisfy.

soye (Walloon): silk