Proto-Indo-European *h₂egʷs-ih₂-

→ Old English æx (derived)

→ Danish økse (derived)

→ Faroese øks (derived)

→ Westrobothnian iks (inherited)

→ Ancient Greek ἀξίνη (derived)

→ Icelandic öxi (inherited)

→ Norwegian Bokmål øks (derived)

→ Old Norse øx (derived)

→ Swedish yxa (inherited)