ἐξευρετέος

α, ον
A. to be discovered, νοῦς Ar. Nu. 728 (v.l. for εὑρητέος).
II. ἐξευρετέον αὐτοῖς they must find out, Pl. R. 380a.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project