Gaianus
Could not find Gaiano in Logeion dictionaries.
Gaiano Proper-name adjective: neuter dative singular, Proper-name adjective: masculine ablative singular, Proper-name adjective: masculine dative singular, Proper-name adjective: neuter ablative 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.