Where does “unintentionally” come from?

Unintentionally derives from English intentional, which comes from English intention, traced through English aldehyde to Proto-Indo-European óynos and ano-, ultimately from Latin in-.

unintentionally (English): In an unintentional manner; not intentionally

Definitions

  1. In an unintentional manner; not intentionally

Ancestry of “unintentionally”, step by step

StepLanguageWordMeaning
1EnglishunintentionalNot intended or deliberate; inadvertent;...
2EnglishintentionalIntended or planned; done deliberately or...
3Frenchintentionnelintentional
4Frenchintentionintention
5Middle FrenchintentionAlternative form of entention
6Old Frenchentencionintention; intent; aim
7Latinintentiostrain, tension; increase, augmentation;...
8Latin-tiōtion, -ation, -ing
9Latindissertātiō(spoken) dissertation, discourse, disquisition
10Latindissertusarranged, disposed; explained
11Latindissereresecond-person singular future passive indicative...
12Latindis-asunder, apart, in two; reversal, removal;...
13Latincalceusshoe
14Latincalxlimestone; chalk; the finish line
15Ancient Greekχάλιξsmall stone, pebble; gravel, rubble
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-
unintentionally — Etymology, Origin & Word History | Etymology Explorer