Proto-Italic *swezōr

→ Catalan sor (inherited)

→ Spanish sor (inherited)

→ French sœur (inherited)

→ Italian suora (inherited)

→ Italian sorella (derived)

→ Latin soror (inherited)

→ Ligurian seu (inherited)

→ Portuguese sobrinho (mention)

→ Romanian soră (inherited)

→ Sardinian sorre (inherited)