Proto-Indo-European *h₁ógʷʰis

→ Greek φίδι (inherited)

→ Persian اژدها (derived)

→ Ancient Greek ὄφις (inherited)

→ Khowar اىى (inherited)

→ Northern Kurdish zîha (derived)

→ Pali ahi (derived)

→ Sanskrit अहि (inherited)

→ Telugu అహి (mention)

→ Tocharian B auk (inherited)

→ Old Armenian իժ (mention)