Extended Strong's Greek Lexicon (Abbott-Smith based)
to explain
Usage: δια-σαφέω, -ῶ (σαφής, clear), [in LXX: Deu.1:5 (בָּאַר pi.), Dan LXX 2:6 (חָוָה aphel.), I-III Ma 9 * ;] to make clear, explain fully: with accusative of thing(s), dative of person(s), Mat.13:26 18:31.† (AS)