Where does “janeiro” come from?

janeiro (Old Portuguese) comes from Old Portuguese janeyro, from Latin iānuārius, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

janeiro (Old Portuguese): Alternative form of janeyro

Definitions

  1. Alternative form of janeyro

Ancestry of “janeiro”, step by step

janeiro traces back through 3 separate lines of ancestry.

via Old Portuguese janeyro

StepLanguageWordMeaning
1Old PortuguesejaneyroJanuary
2Latiniānuāriusof January
3Latin-āriuser
4Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via Latin jenuarius

StepLanguageWordMeaning
1Latinjenuarius

via Vulgar Latin jan(u)airu

StepLanguageWordMeaning
1Vulgar Latinjan(u)airu

Words derived from “janeiro

Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from Latin iānuārius