Where does “гыйнвар” come from?

гыйнвар (Tatar) comes from Russian генварь, from Church Slavonic генварь, from Greek Γενάρης, from Latin iānuārius, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

гыйнвар (Tatar): January

Definitions

January

Ancestry of “гыйнвар”, step by step

Step	Language	Word	Meaning
1	Russian	генварь	January
2	Church Slavonic	генварь	—
3	Greek	Γενάρης	January
4	Latin	iānuārius	of January
5	Latin	-ārius	er
6	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 →