cethair

Old Irish

Etymology

From Proto-Celtic *kʷetwores, from Proto-Indo-European *kʷetwóres.

Pronunciation

  • IPA(key): /ˈkʲeθirʲ/

Numeral

Old Irish cardinal numbers
 <  3 4 5  > 
    Cardinal : cethair
    Ordinal : cethramad
    Male personal : cethrar

cethair (feminine cetheoir)

  1. four

Inflection

Irregular numeral
plural masculine feminine neuter
nominative cethair cethéoir, cethéoraH cethairL
vocative
accusative cethriH cethéoraH
genitive ceithreN cethéoraN ceithreN
dative ceithrib cethéoraib ceithrib
Initial mutations of a following noun:
  • H = triggers aspiration
  • L = triggers lenition
  • N = triggers nasalization

Derived terms

Descendants

  • Irish: ceathair, ceithre
  • Manx: kiare
  • Scottish Gaelic: ceithir

Mutation

Mutation of cethair
radical lenition nasalization
cethair chethair cethair
pronounced with /ɡʲ-/

Note: Certain mutated forms of some words can never occur in Old Irish.
All possible mutated forms are displayed for convenience.

References