Where does “Kormákur” come from?

Kormákur (Icelandic) comes from Old Norse Kormákr, from Old Irish Cormac, from Old Irish mac, from Proto-Celtic makkos — surety.

Ancestry of “Kormákur”, step by step

StepLanguageWordMeaning
1Old NorseKormákr—
2Old IrishCormac—
3Old Irishmacbond, surety
4Proto-Celticmakkossurety
Every word from Proto-Celtic makkos →Every word from Old Irish mac →Every word from Old Irish Cormac →