Cosmianus
Could not find Cosmiani in Logeion dictionaries.
Cosmiani Proper-name adjective: masculine vocative plural, Proper-name adjective: neuter genitive singular, Proper-name adjective: masculine nominative plural, Proper-name adjective: masculine genitive singular of Cosmianus
Cosmiani Proper-name noun: neuter genitive singular of Cosmianum
Cosmiānus, a, um, s. Cosmus.
Cosmĭānus, a, um, de Cosmus : Mart. 3, 82, 26 || Cosmĭānum, ī, n. , parfum de Cosmus : Mart. 12, 55, 7.