šāqaq שָׁקַק ‘to rush’ (Hebrew)

Etymology^?: a primitive root

šāqaq v
1) to run, run about, rush, run to and fro, be eager or greedy or thirsty
 1a) (Qal) roving, ranging, longing, rush out upon (participle)
 1b) (Hithpalpel) to rush to and fro, rush back and forth