Proto-Indo-European *h₂eyd-

→ English atter (derived)

→ Persian استیم (mention)

→ Faroese eitur (mention)

→ Westrobothnian eiter (mention)

→ Ancient Greek οἰδέω (mention)

→ Latin aemidus (derived)

→ Albanian veshkë (mention)

→ Swedish etter (mention)

→ Old Armenian այտ (inherited)

→ Old Armenian այտնում (inherited)