←
Old Church Slavonic сестра (cognate)
←
Persian خواهر (cognate)
←
Proto-Indo-Iranian *swásā (inherited)
←
Proto-Indo-European *swésōr (inherited)
←
Tocharian A ṣar (cognate)
→
Persian خواهر (cognate)
→
Ancient Greek ἔορ (cognate)
→
Gandhari 𐨯𐨿𐨤𐨯𐨂 (inherited)