Libyssus
Could not find Libyssae in Logeion dictionaries.
Libyssae Proper-name adjective: feminine genitive singular, Proper-name adjective: feminine dative singular, Proper-name adjective: feminine nominative plural of Libyssus
Lĭbyssus, a, um, de Libye, Africain : Catul. 7, 3 ; Sil. 8, 206 ; Libyssa ficus Col. Rust. 10, 418, sorte de figue [dʼAfrique] || Libyssa, surnom de Cérès : P. Fest. 121.