Where does “unsleepably” come from?

unsleepably (English) comes from English unsleepable, from English sleepable, from English able, from Middle English able, from Old French able, from Latin habilis, from Latin -ilis, from Proto-Italic -elis — Forms agent nouns from verbal roots.

unsleepably (English): So as to make sleep impossible

Definitions

  1. So as to make sleep impossible

Ancestry of “unsleepably”, step by step

unsleepably traces back through two separate lines of ancestry.

via English unsleepable

StepLanguageWordMeaning
1EnglishunsleepableNot sleepable; unsuitable for sleeping
2EnglishsleepableSuitable for sleeping
3EnglishableEasy to use; Suitable; competent; Liable to
4Middle Englishablecapable, expert, qualified, skilful, competent
5Old Frenchableable; capable
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 ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European -lósEvery word from Latin -ilisEvery word from Latin habilis
unsleepably — Etymology, Origin & Word History | Etymology Explorer