Old Irish ícc

← Breton yac'h (cognate)

← Gaulish Iaccus (cognate)

← Proto-Celtic *īkkā (inherited)

← Proto-Celtic *yekkā (mention)

← Welsh iach (cognate)

← Mycenaean Greek 𐀀𐀐𐀴𐀪𐀊𐀂 (cognate)

← Mycenaean Greek 𐀊𐀐𐀳𐀩 (mention)

← Ancient Greek ἄκος (cognate)

← Cornish yagh (cognate)

→ English acology (cognate)

→ Welsh iach (cognate)

→ Scottish Gaelic ìoc (inherited)

→ Manx eeck (inherited)

→ Old Irish íccaid (affix)

→ Old Irish fochricc (mention)

→ Old Irish creicc (mention)

→ Middle Welsh yach (cognate)