Oprindelseud (“out”) + lyd (“sound”)
Formerudlyd(indefinite, nominative, singular) · udlyden(definite, nominative, singular) · udlyde(indefinite, nominative, plural) · udlydene(definite, nominative, plural) · udlyds(genitive, indefinite, singular) · udlydens(definite, genitive, singular) · udlydes(genitive, indefinite, plural) · udlydenes(definite, genitive, plural)
Kilde: Wiktionary