Latin origin
Source-reportedFrom Middle English Januarie, januari, re-latinised forms of Middle English Janevere, Ieneuer, from Anglo-Norman genever, from Latin Iānuārius (“(month) of Janus”), a compound of Iānus ("Janus") + -ārius (adjectival suffix), with the first element perhaps from the Proto-Indo-European root *yeh₂- (“to go”). Doublet of Gennaro.
Sources for this account (3)
- Wiktionary: JanuaryCC-BY-SA-4.0 · retrieved 2026-10-15
- Greek Wiktionary: JanuaryCC-BY-SA-4.0 · retrieved 2026-10-15
- Polish Wiktionary: JanuaryCC-BY-SA-4.0 · retrieved 2026-10-14

