Memnonius
Could not find Memnonios in Logeion dictionaries.
Memnonios Proper-name adjective: masculine accusative plural of Memnonius
Memnŏnĭus, a, um, v. Memnon.
Memnŏnĭus, (16) a, um, de Memnon : Sol. 40 || dʼOrient, Mauresque, noir : Ov. P. 3, 3, 96 ; Luc. 3, 284.