Where does “opposability” come from?

opposability (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.

opposability (English): The condition or quality of being opposable

Definitions

  1. The condition or quality of being opposable

Ancestry of “opposability”, step by step

opposability 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 oppose

StepLanguageWordMeaning
1EnglishopposeTo attempt to stop the progression of; to resist...
2Middle Englishopposen—
3Old Frenchopposer—
4Latinobin the direction of, to, towards; on account of,...
5Proto-Italic*optowards
Every word from Proto-Indo-European -lós →Every word from Latin -ilis →Every word from Latin habilis →