Duchenne is a proper noun used as a surname or to refer to Duchenne muscular dystrophy. In pronunciation contexts it denotes the eponym of French origin, typically treated as two syllables with the initial /dy/ or /duː/ sound and a final /ɛn/ or /ən/ depending on stress and speaker. It is encountered in medical, historical, and biographical references and often requires careful vowel quality and final consonant clarity in English speech.
Full pronunciation guide