Where does “inexcusablemente” come from?
inexcusablemente (Spanish) comes from Spanish inexcusable, from Latin inexcusabilis, 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;...
inexcusablemente (Spanish): inexcusably
Ancestry of “inexcusablemente”, step by step