/di sem"beuhr/, n.the twelfth month of the year, containing 31 days. Abbr.: Dec.[bef. 1000; ME decembre < OF < L december (s. decembr-) the tenth month of the early Roman year, appar. < *dec(em)-membri-, equiv. to decem TEN + *-membri- < mens- month + -ri- suffix (with -sr- > -br- and assimilation of nasal)]
* * *▪ monthtwelfth month of the Gregorian calendar. Its name is derived from decem, Latin for “ten,” indicating its position in the early Roman calendar.
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