τριήραρχος
ὁ
A.
captain of a trireme, Hdt. 8.93, Ar. Th. 837 (troch.), Th. 4.11, 7.70, X. HG 1.1.25, OGI 773.5 (Ios, iv B. C.), IG 22.1631.343 (iv B. C.), 884.11 (iii/ii B. C.), BGU 1744.11 (i B. C.), POxy. 1508.4 (ii A. D.), etc.
II.
trierarch, one who (singly or jointly with other citizens) had to fit out a trireme for the public service, Ar. Ach. 546, Th. 6.31, 7.13, IG 12.304.36, al., 22.1.27, 1609.57, 1612.133, 1629.3, 183, etc.— τριηραρχ‐άρχης is a later form, meaning naval commander in general, Gal. Thras. 47.