Strong's Exhaustive Concordance dictionaries from openscriptures/strongs. CC BY-SA 4.0 / Public Domain. Derived from James Strong, S.T.D., LL.D., 1890/1894.
σείωseio
Short Definition
to rock (vibrate
Strong’s Definition
to rock (vibrate, properly, sideways or to and fro), i.e. (generally) to agitate (in any direction; cause to tremble); figuratively, to throw into a tremor (of fear or concern)