Libystinus
Could not find Libystinis in Logeion dictionaries.
Libystinis Proper-name adjective: masculine ablative plural, Proper-name adjective: feminine dative plural, Proper-name adjective: neuter ablative plural, Proper-name adjective: neuter dative plural, Proper-name adjective: masculine dative plural, Proper-name adjective: feminine ablative plural of Libystinus
Libystīnus, Libystis, Libyus, s. Libya.
Lĭbystīnus, (16) a, um (Λιβυστῖνος), de Libye : Catul. 60, 1 || Libystinus Apollo Macr. Sat. 1, 17, Apollon Libystinien [adoré en Sicile, contrée quʼil avait protégée contre les Africains].
Libysti'nus
that is, the Libyan, a surname under which Apollo was worshipped by the Sicilians, because he was believed to have destroyed by a pestilence a Libyan fleet which sailed against Sicily. (Macr. 1.17.) [L.S]