Old Irish éicen

← Proto-Celtic *ankenā (inherited)

← Welsh angen (cognate)

← Ancient Greek ἀνάγκη (cognate)

← Proto-Indo-European *h₂neḱ- (root)

← Proto-Indo-European *h₂neḱ- (derived)

← Tocharian B eṅk- (cognate)

← Old Armenian անքատ (cognate)

→ Welsh angen (cognate)

→ Irish éigin (mention)

→ Irish éigean (inherited)

→ Scottish Gaelic èiginn (inherited)

→ Manx egin (inherited)