Proto-Norse ᛖᚱᚨᚠᚨᛉ

← Old English eorp (cognate)

← Proto-Germanic *erfaz (inherited)

← Proto-Germanic *erpaz (derived)

← Ancient Greek ὀρφνός (cognate)

← Proto-Indo-European *h₁erbʰ- (derived)

← Old Norse jarpr (cognate)

→ Faroese jarvur (inherited)

→ Norwegian Bokmål jerv (inherited)

→ Norwegian Nynorsk jerv (inherited)

→ Swedish järv (inherited)