Meaning of Christenmas in English:

Christenmas

Pronunciation /ˈkrɪsnməs/

noun

(also Chrissenmass)
rare, dialect Scottish, British, Irish
  • Christmas.

    Recorded earliest in "Christenmas even".

Origin

Middle English; earliest use found in Arthour and Merlin. Apparently an alteration of cristesmass, cristemas, etc., variants of Christmas, after christen.