Proto-Indo-European *meldʰ-

→ English Mjollnir (derived)

→ Welsh mellt (inherited)

→ German Mjölnir (derived)

→ Icelandic Mjölnir (inherited)

→ Old Norse Mjǫllnir (derived)

→ Russian молния (derived)

→ Swedish mild (derived)

→ Swedish Mjölner (inherited)

→ Old Armenian մաղթ (inherited)