Where does “excusability” come from?

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

excusability (English): The quality of being excusable

Definitions

  1. The quality of being excusable

Ancestry of “excusability”, step by step

excusability traces back through two separate lines of ancestry.

via English ability

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

via English excuse

StepLanguageWordMeaning
1EnglishexcuseTo forgive; to pardon; To allow to leave, or...
2Latinexcūsāre

Words derived from “excusability

Every word from Proto-Indo-European -lósEvery word from Latin -ilisEvery word from Latin habilis