Where does “unaccidentally” come from?

unaccidentally (English) comes from English unaccidental, from English accidental, from Middle English accidental, from Middle French accidentel, from Late Latin accidentalis, from Latin accidēns, from Latin accidō, from Latin ad- — in.

unaccidentally (English): Not by accident; intentionally

Definitions

  1. Not by accident; intentionally

Ancestry of “unaccidentally”, step by step

unaccidentally traces back through two separate lines of ancestry.

via English unaccidental

StepLanguageWordMeaning
1EnglishunaccidentalNot accidental
2EnglishaccidentalNot essential; incidental, secondary;...
3Middle Englishaccidental
4Middle Frenchaccidentel
5Late Latinaccidentalis
6Latinaccidēnsfalling down, upon, at or near, descending
7Latinaccidōto fall down, upon, at or near; descend
8Latinad-to; usually prefixed to verbs, in which cases it...
9Latinīn-un-, non-, not
10Latinînin, at, on, upon, from (space)
11Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
12Proto-Italicenin
13Proto-Indo-Europeanh₁énin

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-