Dictionary entry

κατασείω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

** κατα-σείω,

[in LXX: Da TH Bel 14 AR, I Mac 6:38*;]

1. to shake down.

2. 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.†