←
Proto-Indo-Iranian *ćwā́ (inherited)
←
Proto-Indo-European *ḱwṓ (inherited)
←
Proto-Iranian *cwā́ (inherited)
←
Northern Kurdish se (cognate)
←
Northern Kurdish seg (mention)
←
Old Persian 𐏂𐎣 (inherited)
←
Sanskrit श्वन् (cognate)
←
Old Armenian ասպակ (cognate)
←
Old Median σπάκα (cognate)