Etymology Explorer › French

Where does “impénétrable” come from?

impénétrable (French) comes from Latin impenetrabilis, from Latin penetrabilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

impénétrable (French): impenetrable; not understandable, mysterious

Definitions

  1. impenetrable; not understandable, mysterious

Ancestry of “impénétrable”, step by step

StepLanguageWordMeaning
1Latinimpenetrabilisimpenetrable; unconquerable, unyielding
2Latinpenetrabilispenetrable; piercing
3Latin-bilis-ble
4Proto-Italic-ðlis—
5Proto-Indo-European-dʰlis—
6Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

Words derived from “impénétrable”

  • impénétrabilité
  • impénétrablement
Every word from Proto-Indo-European -dʰlom →