agoge
/əˈɡoʊʒi/Definitions
1. noun
a system of education in ancient Sparta, emphasizing physical and military training from an early age
“The agoge was notorious for its harsh conditions and demanding physical regimen.”
2. noun
a similar system of education or training, especially one that is rigorous or demanding
“The boot camp was a kind of agoge, preparing the recruits for the harsh realities of combat.”