Where does “unmistakability” come from?

unmistakability (English) comes from English mistakability, from English ability, from Middle English abilite, from Old French ableté, from Latin habilitās, from Latin habilis, from Latin -ilis, from Proto-Italic -elis — Forms agent nouns from verbal roots.

unmistakability (English): unmistakableness

Definitions

  1. unmistakableness

Ancestry of “unmistakability”, step by step

unmistakability traces back through two separate lines of ancestry.

via English mistakability

StepLanguageWordMeaning
1EnglishmistakabilityThe quality of being mistakable
2EnglishabilitySuitableness; The quality or state of being able;...
3Middle Englishabilitesuitability, aptitude, ability
4Old Frenchableté
5Latinhabilitāsability, aptitude, fitness
6Latinhabilisable to have/possess/maintain; having sufficient...
7Latin-ilis-ile
8Proto-Italic-elis
9Proto-Indo-European-elis
10Proto-Indo-European-lósForms agent nouns from verbal roots

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -lósEvery word from Latin -ilisEvery word from Latin habilis