ἀπρόοπτος

ον, Adv.
A. unforeseen, A. Pr. 1074 (lyr.); ἐξ‐όπτου Aesop. 330. Adv. ‐τως PAmh. 2.154.7 (vi A. D.).
II. Act., not foreseeing, unwary, Poll. 1.179; ἀ. τοῦ μέλλοντος Id. 3.117. Adv. ‐τως Sor. 1.71, Ael. NA 1.8.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project