Where does “unmistakably” come from?

Unmistakably derives from English unmistakable, which combines English mistake with Latin -abilis (capable of), ultimately tracing to Proto-Indo-European óynos (one) and ne (not).

unmistakably (English): In an unmistakable manner; unquestionably

Definitions

  1. In an unmistakable manner; unquestionably

Ancestry of “unmistakably”, step by step

StepLanguageWordMeaning
1EnglishunmistakableUnique, such that it cannot be mistaken for...
2EnglishUn-not
3Middle Englishun-—
4Old Englishun-negation or absence of: un-, non-; bad; forms...
5Proto-West Germanicun-not, un-
6Proto-Germanicun-not, un-
7Proto-Indo-Europeann̥-not, un-
8Proto-Indo-Europeannenot
Every word from Proto-Indo-European ne →Every word from English Un- →Every word from Proto-Indo-European n̥- →
unmistakably — Etymology, Origin & Word History | Etymology Explorer