adverb/pɾefeˌɾibleˈmente/
preferably
Etymology tree Spanish preferir Proto-Indo-European *-tḗr Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ibilis Spanish -ible Spanish preferible Proto-Indo-European *men- Proto-Indo-European *-tis Proto-Indo-European *méntis Proto-Italic *mentis Latin mēns Old Spanish -mente Spanish -mente Spanish preferiblemente From preferible + -mente.