Extended Strong's Greek Lexicon (Abbott-Smith based)
to leave
Usage: ἀπο-τάσσω [in LXX: Ecc.2:20 (יָאַשׁ pi.), I Est.6:27, Jer.20:2, 1-18; 1Ma.4:1-61 * ;] to set apart. Mid., in late Gk. (El., § 37, 1; Swete, Mk., 136 f.; MM, e. dative, __(a) to take leave of: Mrk.6:46, Luk.9:61, Act.18:18, 21, 2Co.2:13; __(b) to forsake: Luk.14:33.† (AS)