Abbott-Smith Manual Greek Lexicon
ἀπο-τάσσω (G657)
6 ἀπο-τάσσω , [in LXX: Ec 2:20 ( יאשׁ pi.), I Es 6:27 , Je 20:2 , I Mac 4 *;] to set apart . Mid., in late Gk. (Bl., § 37, 1; Swete, Mk. , 136 f.; MM, s.v.), c. dat., to take leave of : Mk 6:46 , Lk 9:61 , Ac 18:18 , 21 , II Co 2:13 ; to forsake : Lk 14:33 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain