Allhallowmas

English

Etymology

Inherited from Middle English Alhalwemesse, from Old English ealra hālgena mæsse, from eall +‎ halga +‎ mæsse; literally, the mass of all the saints.

By surface analysis, all +‎ hallow (saint, holy person) +‎ -mas (mass, church festival, holiday); compare Christmas, Marymas / Marymass, and Michaelmas.

Proper noun

Allhallowmas

  1. (archaic) All Saints' Day.