rāhav רָהַב ‘to be assertive’ (Hebrew)

Etymology^?: a primitive root

rāhav v
1) to behave proudly, act stormily or boisterously or arrogantly
 1a) (Qal) to act insolently, storm against, beset, importune
 1b) (Hiphil) to disturb, alarm, awe, confuse, make bold or proud