Abbott-Smith Manual Greek Lexicon
δια-σαφέω (G1285)
2 δια-σαφέω , -ῶ ( σαφής , clear ), [in LXX: De 1:5 ( בּאר pi.), Da LXX, 2:6 ( חוה aph.), I-III Ma 9 * ;] to make clear, explain fully : c. acc. rei, dat. pers., Mt 13:26 18:31 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain