sub-commandant
/ˌsʌbˈkɒməndant/ /ˌsʌbˈkɒməndənt/ /ˌsʌbˈkɒməndɑːnt/noun
Especially in various European armies: a subordinate or deputy commandant.
Origin
Late 18th century; earliest use found in William Cobbett (1763–1835), political writer and farmer. From sub- + commandant, chiefly after forms in other languages, especially French sous-commandant or Spanish subcomandante.