What is "elaeus"

Elaeus ( Elaious, later Elaeus), the “Olive City”, was an ancient Greek city located in Thrace, on the Thracian Chersonese. Elaeus was located at the southern end of the Hellespont (now the Dardanelles) near the southernmost point of the Thracian Chersonese (now the Gallipoli peninsula) in modern-day Turkey. According to the geographer Scymnus, Elaeus was founded by settlers from Ionian Teos.