Origingök (“cuckoo”) + ur (“clock”)
Formsgökur(indefinite, nominative, singular) · gökurs(genitive, indefinite, singular) · gökuret(definite, nominative, singular) · gökurets(definite, genitive, singular) · gökur(indefinite, nominative, plural) · gökurs(genitive, indefinite, plural) · gökuren(definite, nominative, plural) · gökurens(definite, genitive, plural)