Where does “unreachability” come from?

unreachability (English) comes from English reachability, 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.

unreachability (English): The condition of being unreachable

Definitions

  1. The condition of being unreachable

Ancestry of “unreachability”, step by step

unreachability traces back through two separate lines of ancestry.

via English reachability

StepLanguageWordMeaning
1EnglishreachabilityThe condition of being reachable; The extent to...
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 -lós →Every word from Latin -ilis →Every word from Latin habilis →