Where does “unlearnable” come from?

unlearnable (English) comes 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, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

unlearnable (English): Not able to be learned; Able to be unlearned

Definitions

  1. Not able to be learned; Able to be unlearned

Ancestry of “unlearnable”, step by step

unlearnable traces back through 3 separate lines of ancestry.

via English able

StepLanguageWordMeaning
1EnglishableEasy to use; Suitable; competent; Liable to
2Middle Englishablecapable, expert, qualified, skilful, competent
3Old Frenchableable; capable
4Latinhabilisable to have/possess/maintain; having sufficient...
5Latin-ilis-ile
6Proto-Italic-elis
7Proto-Indo-European-elis
8Proto-Indo-European-lósForms agent nouns from verbal roots

via English unlearn

StepLanguageWordMeaning
1EnglishunlearnTo discard the knowledge of; To break a habit
2Englishun-not; absent; lacking; not; negative; contrary to...
3Middle Englishun-
4Old Englishun-negation or absence of: un-, non-; bad; forms...
5Proto-West Germanicun-not, un-
6Proto-Germanicun-not, un-
7Proto-Indo-Europeann̥-not, un-
8Proto-Indo-Europeannenot

via English learnable

StepLanguageWordMeaning
1EnglishlearnableThat can be learned; Something that can be...
2English-ableAn adjectival suffix; forms adjectives meaning
3Middle English-ableable
4Old French-ableworthy of, deserving of; -ing, creating an...
5Latin-ābilissuffixed to noun to form adjectives meaning "able to have or bring, prone to have or bring, having the power to have or bring": -able

Words derived from “unlearnable

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