From ek and ereunao; to explore (figuratively) -- search diligently.
see GREEK ek
see GREEK ereunao
[ἐξεραυνάω T Tr WH for ἐξερευνάω, which see; see ἐραυνάω.]
STRONGS NT 1830: ἐξερευνάωἐξερευνάω, ἐξερεύνω: 1 aorist ἐξηρεύνησα; to search out, search anxiously and diligently: περί τίνος, 1 Peter 1:10 (where T Tr WH ἐξεραυνάω which see). (1 Macc. 3:48 1 Macc. 9:26; the Sept.; Sophocles, Euripides, Polybius, Plutarch, others.)