←
Old English earm (cognate)
←
Proto-Germanic *arbiją (inherited)
←
Proto-West Germanic *arbī (inherited)
←
Old High German erbi (cognate)
←
Proto-Indo-European *h₃erbʰ- (derived)
←
Old Norse erfi (cognate)
→
Middle English erve (mention)
→
Faroese arvur (cognate)
→
Old High German erbi (cognate)
→
Old Norse arfr (mention)
→
Old Saxon ervi (mention)