Gaianus
Could not find Gaianae in Logeion dictionaries.
Gaianae proper-name adjective feminine genitive singular, proper-name adjective feminine vocative plural, proper-name adjective feminine nominative plural, proper-name adjective feminine dative singular of Gaianus
Gāĭānus, (14) a, um, de Gaius, ayant trait à Gaius, c.-à-d. Caligula : Tac. H. 4, 15 ; Sen. Tranq. 11, 12 ; 24.