Where does “Cóiced Muman” come from?

Cóiced Muman (Old Irish) comes from Old Irish cóiced, from Proto-Celtic kʷenkʷetos — fifth.

Ancestry of “Cóiced Muman”, step by step

Cóiced Muman traces back through two separate lines of ancestry.

via Old Irish cóiced

StepLanguageWordMeaning
1Old Irishcóicedfifth; province
2Proto-Celtickʷenkʷetosfifth

via Old Irish Mumu

StepLanguageWordMeaning
1Old IrishMumuMunster

Words derived from “Cóiced Muman

Every word from Proto-Celtic kʷenkʷetosEvery word from Old Irish cóiced
Cóiced Muman — Etymology, Origin & Word History | Etymology Explorer