month

Meaning

1. A period into which a year is divided, historically based on the phases of the moon.
2. A period of 30 days, 31 days, or some alternation thereof.
3. (obsolete) A woman's period; menstrual discharge.

Concepts

month

moon

day

Moon

calendar month

hour of birth

lunar month

season

April

August

February

July

June

March

May

October

September

ides

mo.

menstrual period

lunation

crescent moon

monthly

new

sun

birthdate

mar.

jun.

june

july

harvest time

september

nones

october

next month

Pronounced as (IPA)

/mʌnθ/

Etymology

From Middle English month, moneth, from Old English mōnaþ (“month”), from Proto-West Germanic *mānōþ, from Proto-Germanic *mēnōþs (“month”), from Proto-Indo-European *mḗh₁n̥s (“moon, month”), probably from Proto-Indo-European *meh₁- (“to measure”), referring to the moon's phases as the measure of time, equivalent to moon + -th.
Cognate with Scots moneth (“month”); North Frisian muunt (“month”); Saterland Frisian Mound (“month”), Dutch maand (“month”); German Low German Maand, Monat (“month”); German Monat (“month”); Danish and Norwegian Bokmål måned (“month”); Norwegian Nynorsk and Swedish månad (“month”); Icelandic mánuði (“month”); Latin mēnsis (“month”); Ancient Greek μήν (mḗn); Armenian ամիս (amis); Old Irish mí; Old Church Slavonic мѣсѧць (měsęcĭ). See also moon.