רָגַע râgaʻ (H7280)

properly, to toss violently and suddenly (the sea with waves, the skin with boils); figuratively (in a favorable manner) to settle, i.e. quiet; specifically, to wink (from the motion of the eye-lids)

1) to act in an instant, stir up, disturb 1a) (Qal) to stir up, disturb 1b) (Hiphil) to make a twinkling 2) to rest or repose, be at rest or repose, settle, quiet, give rest 2a) (Niphal) 2a1) to cause to rest (of sword, of the sea) 2a2) to wink (with prep) 2b) (Hiphil) 2b1) to give rest to 2b2) to rest, repose 3) to harden

a primitive root;