Welsh elin

← Breton ilin (cognate)

← Proto-Celtic *olīnā (inherited)

← Irish uillinn (cognate)

← Scottish Gaelic uileann (cognate)

← Ancient Greek ὠλένη (cognate)

← Proto-Indo-European *Heh₃l- (derived)

← Cornish elin (cognate)

← Latin ulna (cognate)

← Old Welsh elinou (inherited)

→ Welsh penelin (affix)

→ Cornish elin (cognate)

→ Old Norse ǫln (cognate)