Olynthius
Could not find Olynthia in Logeion dictionaries.
Olynthia Proper-name adjective: neuter nominative plural, Proper-name adjective: neuter vocative plural, Proper-name adjective: feminine nominative singular, Proper-name adjective: feminine ablative singular, Proper-name adjective: neuter accusative plural, Proper-name adjective: feminine vocative singular of Olynthius
Oly'nthius
an architect, who is said to have assisted Cleomenes in the building of Alexandria. (Jul. Valer. de R. G. Alex. 1.21, 23 Müller, Archäol. d. Kunst, § 149, In. 2.) [P.S]