Where does “impenetrabilis” come from?

impenetrabilis (Latin) comes 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;...

impenetrabilis (Latin): impenetrable; unconquerable, unyielding

Definitions

  1. impenetrable; unconquerable, unyielding

Ancestry of “impenetrabilis”, step by step

StepLanguageWordMeaning
1Latinpenetrabilispenetrable; piercing
2Latin-bilis-ble
3Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
4Proto-Indo-European-dʰlis
5Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

Words derived from “impenetrabilis

Every word from Proto-Indo-European -dʰlomEvery word from Latin -bilisEvery word from Latin penetrabilis