Where does “Januarily” come from?

Januarily (English) comes from English January, from Middle English Ieneuer, from Anglo-Norman genever, from Latin iānuārius, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Januarily (English): In a manner characteristic of the month of January

Definitions

  1. In a manner characteristic of the month of January

Ancestry of “Januarily”, step by step

Januarily traces back through two separate lines of ancestry.

via English January

StepLanguageWordMeaning
1EnglishJanuaryThe first month of the Gregorian calendar, following the December of the previous year and preceding February
2Middle EnglishIeneuer
3Anglo-Normangenever
4Latiniānuāriusof January
5Latin-āriuser
6Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Italic *-āzios