Herculanensis
Could not find Herculanensi in Logeion dictionaries.
Herculanensi Proper-name adjective: masculine ablative singular, Proper-name adjective: feminine ablative singular, Proper-name adjective: neuter ablative singular, Proper-name adjective: masculine dative singular, Proper-name adjective: feminine dative singular, Proper-name adjective: neuter dative singular of Herculanensis
Herculānēnsis, s. Herculāneum.
Hercŭlānēnsis, v. Herculaneum.