Aethiopus
Could not find Aethiopum in Logeion dictionaries.
Aethiopum Proper-name noun: masculine genitive plural, Proper-name noun: masculine accusative singular of Aethiopus
Aethĭŏpus, i, m., = Aethiops: rhinoceros velut Aethiopus, Lucil. ap. Prisc. p. 689 P.
Æthĭŏpus, c. Æthiops ; Lucil. Sat. 159.