திருத்திரு
thiruthiru
s. a word uttered by elephant drivers and others to urge forward their beasts.
J.P. Fabricius Dictionary
, [tiruttiru] ''s.'' A word used by elephant drivers, and others, to urge forward their beasts, யானைமுதலியவற்றைநடத்தும்ஓசை; ''[ex Sa. Dhruja, to go.]''
Miron Winslow