Where does “inapproximable” come from?

inapproximable (English) comes from English approximable, from English able, from Middle English able, from Old French able, from Latin habilis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis — Forms agent nouns from verbal roots.

inapproximable (English): Unable to be approximated

Definitions

  1. Unable to be approximated

Ancestry of “inapproximable”, step by step

inapproximable traces back through two separate lines of ancestry.

via English approximable

StepLanguageWordMeaning
1EnglishapproximableAble to be approximated
2EnglishableEasy to use; Suitable; competent; Liable to
3Middle Englishablecapable, expert, qualified, skilful, competent
4Old Frenchableable; capable
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 in

StepLanguageWordMeaning
1EnglishinUsed to indicate location, inclusion, or position...
2Middle EnglishinAny kind of accomodation; particularly; A home or...
3Old Englishinin; Alternative form of inn
4Proto-West Germanic*in
Every word from Proto-Indo-European -lósEvery word from Latin -ilisEvery word from Latin habilis