noun, feminine/swa/plural: soies
soie is feminine in French.
silk; bristle; tang of a blade
“route de la soie” — Silk Road
Inherited from Middle French soye, from Old French soie, earlier seie, from Latin sēta, saeta, from Proto-Italic *saitā, from Proto-Indo-European *séh₂ito-, *sh₂éyto-, from *sh₂ey-, *seh₂i- (“to bind”).