Abbott-Smith Manual Greek Lexicon
ἀνεξεραύνητος (G419)
1 ** ἀνεξεραύνητος (Rec. -εύνητος , as in Attic; M, Pr. , 46), -ον ( ἐξ-ερευνάω ), [in Sm. ( -ευ- ): Pr., 25:3 *;] unsearchable : Ro 11:33 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain