- A period into which a year is divided, historically based on the phases of the moon. In the Gregorian calendar there are twelve months: January, February, March, April, May, June, July, August, September, October, November and December.
- A period of 30 days, 31 days, or some alternation thereof.
Etymology: Middle English < Old English monaí, mÅnaí < Proto-Germanic < Proto-Indo-European me(n)ses- (moon, month), probably from PIE base mí- (to measure), referring to the moon"s phases as the measure of time. Cognate with moon.
- Dutch: maand
- French: mois
- German: Monat , Monate :de:Monat, ^
- Italian: mese
- Spanish: mes , meses
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