French sœur

← Middle French soeur (inherited)

← Old French suer (inherited)

← Old French seror (mention)

← Proto-Indo-European *swésōr (inherited)

← Proto-Italic *swezōr (inherited)

← Latin soror (inherited)

← Latin sorōrem (mention)

→ French sœurette (suffix)

→ French belle-sœur (prefix)

→ French consœur (affix)

→ French frœur (blend)

→ Old French seror (mention)

→ Haitian Creole sè (derived)

→ Khowar اِسپُسار (cognate)

→ Mauritian Creole ser (derived)

→ Romanian soră (mention)

→ Vietnamese xơ (borrowed)