Topic: CHRONOLOGY
| Date: | 1200-1300 |
| Language: | Latin |
| Origin: | Januarius, from Janus ancient Roman god of doors, gates, and new beginnings |
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Jan‧u‧a‧ry
plural Januaries [uncountable and countable] written abbreviation Jan.
plural Januaries [uncountable and countable] written abbreviation Jan.TMC the first month of the year, between December and February

I haven't heard from him since last January.