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
Ancestry of “unexcusable”, step by step
Words derived from “unexcusable”