Where does “impermutable” come from?

impermutable (English) comes from English permutable, 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.

impermutable (English): Not permutable

Definitions

  1. Not permutable

Ancestry of “impermutable”, step by step

impermutable traces back through two separate lines of ancestry.

via English permutable

StepLanguageWordMeaning
1EnglishpermutableAble to be permuted
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 IM

StepLanguageWordMeaning
1EnglishIMInitialism of intramuscular; Initialism of idea...
2Koreanlover, beloved
3Chinese
Every word from Proto-Indo-European -lós