καταδῐώκω · katadiōkō — LSJ
follow hard upon, pursue closely, Th. 1.49, 2.84, LXX Ps. 17(18).38, PCair.Zen. 439 (Pass., iii B. C.), Phld. Ir. p.29 W., etc.: metaph., try to gain, Plb. 6.42.1.
search for, τινα Ev.Marc. 1.36.
overdrive cattle, LXX Ge. 33.13.