Proto-Iranian *Hácwah

→ Avestan 𐬀𐬯𐬞𐬀 (inherited)

→ Arabic فصفص (derived)

→ Baluchi اسپ (inherited)

→ Baluchi اپس (inherited)

→ Persian اسب (derived)

→ Judeo-Tat гӀэсб (inherited)

→ Northern Kurdish hesp (inherited)

→ Old Persian 𐎠𐎿 (inherited)

→ Pashto اس (inherited)

→ Tat əs (inherited)

→ Old Armenian ասպաստան (cognate)

→ Old Armenian հասբ (derived)

→ Old Armenian Շաւասպ (mention)