καθιππάζομαι
From LSJ
νύκτα οὖν ἡμέραν ποιούμενος → without delay, as soon as possible, as fast as possible, making the night day, making night into day, turning night into day
English (LSJ)
Ion. κατ-: I trans., ride down, overrun with horse, Χώρην Hdt.9.14. 2 metaph., trample under foot, δαίμονας A. Eu.150(lyr.); νόμους ib.779(lyr.), cf. 731: later c. gen., κ. φιλοσοφίας D.L.4.47. II Pass., pf. καθιππάσθαι Machoap.Ath.13.581d (sens. obsc.). III intr., ride, Polyaen.1.3.5.