Where does “undisturbable” come from?

undisturbable (English) comes from English disturbable, 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.

undisturbable (English): Not disturbable

Definitions

  1. Not disturbable

Ancestry of “undisturbable”, step by step

undisturbable traces back through two separate lines of ancestry.

via English disturbable

StepLanguageWordMeaning
1EnglishdisturbableAble to be disturbed
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 un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -lós
undisturbable — Etymology, Origin & Word History | Etymology Explorer