Where does “ceithernach” come from?

ceithernach (Middle Irish) comes from Middle Irish ceithern, from Old Irish ceithern, from Latin quaterniō, from Latin quaternī, from Latin quaternus, from Latin quater, from Latin quattŭor, from Portuguese quarto — and.

ceithernach (Middle Irish): member or leader of a "ceithern"

Definitions

  1. member or leader of a "ceithern"

Ancestry of “ceithernach”, step by step

StepLanguageWordMeaning
1Middle IrishceithernA band or troop of soldiers or fighting men, kern
2Old Irishceithernband of soldiers
3LatinquaterniōThe number four (e.g. on a dice)
4Latinquaternī—
5Latinquaternusfour each; four at a time
6Latinquaterfour times
7Latinquattŭorfour; 4
8Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
9Old Portuguesequartoquarter
10Latinquārtusfourth
11Proto-Indo-Europeankʷeturtos—
12Proto-Indo-Europeankʷetwóresfour
13Proto-Indo-Europeankʷe-and

Words derived from “ceithernach”

Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Proto-Indo-European kʷeturtos →