Old Irish orcaid

← Proto-Celtic *orgeti (inherited)

← Hittite 𒄯𒀝𒍣 (cognate)

← Proto-Indo-European *h₃erg- (derived)

← Old Armenian հարկնանեմ (cognate)

→ Irish arg (inherited)

→ Irish argthóir (derived)

→ Old Irish frisoirc (affix)

→ Old Irish doimmoirc (affix)

→ Old Irish dufúairc (affix)

→ Old Irish duesairc (affix)