Akademik

tri|er|arch
tri|er|arch «TRY uh rahrk», noun.
in ancient Greece:
1. the commander of a trireme.
2. (in Athens) a citizen who, singly or in conjunction with others, was charged with fitting out a trireme for the state.
[< Latin triērarchus < Greek tri < triēs trireme + archós chief, leader]

Useful english dictionary. 2012.