Etymology: decembreMiddle English, decembre, from decembreOld French, decembre, from DecemberLatin?, December, tenth month, from Latin decem, from Proto-Indo-European
- The twelfth and last month of the Gregorian calendar, following November and preceding the January of the following year. Abbreviation: Dec or Dec.
- dekm, ten; + Latin -ber from -bris, an adjectival suffix; December was the tenth month in the Roman calendar
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Full Definition of December