ephebi

/ɪˈfiːbaɪ/
noun
  1. Plural of ephebus; young men in ancient Greece who were between 18 and 20 years old and undergoing military and civic training.
    • Historians study the daily lives of the ephebi to understand Greek education and military systems.
    • The training of the ephebi included physical exercise, weapons practice, and lessons in citizenship.
    • In ancient Athens, the ephebi were required to serve as border guards for two years.