Where does “unarbitrarily” come from?

unarbitrarily (English) comes from English unarbitrary, from English arbitrary, from French arbitraire, from Italian arbitrario, from Latin arbitrarius, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

unarbitrarily (English): In an unarbitrary manner

Definitions

  1. In an unarbitrary manner

Ancestry of “unarbitrarily”, step by step

unarbitrarily traces back through two separate lines of ancestry.

via English unarbitrary

StepLanguageWordMeaning
1EnglishunarbitraryNot arbitrary
2EnglisharbitraryBased on individual discretion or judgment; not...
3Frencharbitrairearbitrary
4Italianarbitrarioarbitrary
5Latinarbitrariusarbitrating; arbitrary
6Latin-āriuser
7Proto-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