Where does “unexcusably” come from?

unexcusably (English) comes from English unexcusable, 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;...

unexcusably (English): inexcusably

Definitions

  1. inexcusably

Ancestry of “unexcusably”, step by step

unexcusably traces back through two separate lines of ancestry.

via English unexcusable

StepLanguageWordMeaning
1Englishunexcusableinexcusable
2Englishexcusablepossible to excuse
3Old Frenchescusable
4Latinexcusabilisexcusable
5Latin-bilis-ble
6Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
7Proto-Indo-European-dʰlis
8Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European -dʰlomEvery word from Latin -bilisEvery word from Latin excusabilis