adverb/desleˌalˈmente/
disloyally (in a disloyal manner)
Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *d(w)is- Proto-Italic *dis- Latin dis- Old Spanish des- Spanish des- Spanish leal Spanish desleal Proto-Indo-European *men- Proto-Indo-European *-tis Proto-Indo-European *méntis Proto-Italic *mentis Latin mēns Old Spanish -mente Spanish -mente Spanish deslealmente From desleal + -mente.