Where does “unaccurately” come from?

unaccurately (English) comes from English unaccurate, from English accurate, from Latin accūrātus, from Latin accuro, from Latin ad-, from Latin īn-, from Latin în, from Latin en — in.

Ancestry of “unaccurately”, step by step

unaccurately traces back through two separate lines of ancestry.

via English unaccurate

StepLanguageWordMeaning
1EnglishunaccurateNot accurate; inaccurate
2EnglishaccurateTelling the truth or giving a true result; exact;...
3Latinaccūrātustaken care of, prepared with care, having been taken care of
4LatinaccuroI take care of, do something with care, attend or...
5Latinad-to; usually prefixed to verbs, in which cases it...
6Latinīn-un-, non-, not
7Latinînin, at, on, upon, from (space)
8Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
9Proto-Italicenin
10Proto-Indo-Europeanh₁énin

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₁én
unaccurately — Etymology, Origin & Word History | Etymology Explorer