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 (archaic) All Saints' Day.