τρῐᾱκάτιοι · triakatioi — LSJ
Dor. for τριακόσιοι, Tab.Heracl. 1.28,34, al., IG 42(1).110 A 6 (Epid., iv/iii B. C.), etc.
title of the ἔφηβοι at Cyrene, Ammon. Diff. p.37 V., Hsch.; corrupted to τριακάπους (acc.) in Eust. 727.18, 1592.57: they are associated with λοχαγοὶ πελταστᾶν, Schwyzer 234.53:—hence τρῐᾱκᾰτιάρχᾱς, α, ὁ, ib. 14 (Cyrene, iv/iii B. C.).