ἐπάγρυπνος

ον
A. wakeful, sleepless, κηδεμονία Mitteis Chr. 77.11 (Sup., iv A. D.), cf. Vett. Val.11.16, Aristaenet. 1.27.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project