Where does “hissable” come from?

hissable (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.

hissable (English): Capable of being pronounced with a hiss;...

Definitions

  1. Capable of being pronounced with a hiss;...

Ancestry of “hissable”, step by step

hissable traces back through two 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 hiss

StepLanguageWordMeaning
1EnglishhissA sibilant sound, such as that made by a snake or...
2Middle Englishhissen
Every word from Proto-Indo-European -lósEvery word from Latin -ilisEvery word from Latin habilis