From salos; to waver, i.e. Agitate, rock, topple or (by implication) destroy; figuratively, to disturb, incite -- move, shake (together), which can(-not) be shaken, stir up.
see GREEK salos
a. properly, of the motion produced by winds, storms, waves, etc.; to agitate or shake: κάλαμον, passive, Matthew 11:7; Luke 7:24; to cause to totter, τάς δυνάμεις τῶν οὐρανῶν, passive, Matthew 24:29; Mark 13:25; Luke 21:26; τήν γῆν, Hebrews 12:26 (Isaiah 24:20; Amos 9:5); an edifice, Luke 6:48; Acts 4:31; Acts 16:26; τά μή σαλευόμενα, the things which are not shaken, i. e. the perfect state of things which will exist after the return of Christ from heaven and will undergo no change, opposed to τά σαλευόμενα, the present order of things subject to vicissitude and decay, Hebrews 12:27. To shake thoroughly, of a measure filled by shaking its contents together, Luke 6:38.
b. to shake down, overthrow, i. e. tropically, to cast down from one's (secure and happy) state, Acts 2:25 (from Psalm 15:8