Where does “djainvîe” come from?

djainvîe (Franc-Comtois) comes from Old French janvier, from Vulgar Latin ienuārius, from Latin iānuārius, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

djainvîe (Franc-Comtois): January

Definitions

January

Ancestry of “djainvîe”, step by step

Step	Language	Word	Meaning
1	Old French	janvier	January
2	Vulgar Latin	ienuārius	—
3	Latin	iānuārius	of January
4	Latin	-ārius	er
5	Proto-Italic	*-āzios	Forms relational adjectives to nouns (and rarely numerals)

Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Latin iānuārius →