Where does “janvāris” come from?

janvāris (Latvian) comes from Latin iānuārius, from Latin -ārius, from Proto-Italic *-āzios.

janvāris (Latvian): the month of January

Definitions

Step	Language	Word	Meaning
1	Latin	iānuārius	—
2	Latin	-ārius	—
3	Proto-Italic	*-āzios	—

janvāris — Etymology, Origin & Word History | Etymology Explorer