Abbott-Smith Manual Greek Lexicon
κατα-σείω (G2678)
4 ** κατα-σείω , [in LXX: Da TH Bel 14 AR, I Mac 6:38 *;] to shake down . Of the hand, to shake or wave as a signal: τ. χεῖρα , Ac 19:33 ; τ. χειρί , Ac 13:16 ; id. c. dat. pers., Ac 21:40 ; seq. inf., Ac 12:17 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain