French Etymology From diligent + -ment. Pronunciation IPA(key): /di.li.ʒa.mɑ̃/ Audio (Paris):(file) Adverb diligemment diligently Further reading “diligemment”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.Wikiwand - on Seamless Wikipedia browsing. On steroids.