Where does “unexcusable” come from?

unexcusable (English) comes from English excusable, from Old French escusable, from Latin excusabilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

unexcusable (English): inexcusable

Definitions

  1. inexcusable

Ancestry of “unexcusable”, step by step

unexcusable traces back through two separate lines of ancestry.

via English excusable

StepLanguageWordMeaning
1Englishexcusablepossible to excuse
2Old Frenchescusable
3Latinexcusabilisexcusable
4Latin-bilis-ble
5Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
6Proto-Indo-European-dʰlis
7Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

via English un

StepLanguageWordMeaning
1EnglishunOne

Words derived from “unexcusable

Every word from Proto-Indo-European -dʰlomEvery word from Latin -bilisEvery word from Latin excusabilis
unexcusable — Etymology, Origin & Word History | Etymology Explorer