month
n. countablen. one of the twelve parts that a year is divided into. Each one lasts about four weeks or thirty days.
n. any of the twelve divisions of a calendar year, or a period of approximately four weeks corresponding to one cycle of the moon.
My birthday is in the month of June.
The project will take at least one month to complete if we work every day.
While some contracts are renewed on a rolling basis, this lease requires a full month of notice before a tenant can move out without penalty.
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.
When used as a time measurement, it is often preceded by 'a' or 'per'.