month.
A period into which a year is divided, historically based on the phases of the moon.
Meaning & usage
A period into which a year is divided, historically based on the phases of the moon.
July is my favourite month.
A period of 30 days, 31 days, or some alternation thereof.
We went on holiday for two months.
A woman's period; menstrual discharge.
Where this word comes from
Etymology tree Proto-Indo-European *meh₁-? Proto-Indo-European *mḗh₁n̥sder. Proto-Germanic *mēnōþs Proto-West Germanic *mānōþ Old English mōnaþ Middle English mon(e)th English month From Middle English mon(e)th, from Old English mōnaþ, from Proto-West Germanic *mānōþ, from Proto-Germanic *mēnōþs (“month”), from Proto-Indo-European *mḗh₁n̥s (“moon, month”), probably derived from *meh₁- (“measure”) with moon-cycles being used to measure time. Related to moon. Cognate with Saterland Frisian Mound (“month”), Dutch maand (“month”), German Low German Maand (“month”), German Monat (“month”), Danish måned (“month”), Swedish månad (“month”), Icelandic mánuður (“month”). Eclipsed non-native Old English calend (“month”), borrowed from Latin calendae.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.