šāṭaf שָׁטַף ‘to overflow’ (Hebrew)

Etymology^?: a primitive root

šāṭaf v
1) to wash, rinse, overflow, engulf, rinse or wash off
 1a) (Qal)
  1a1) to overflow
  1a2) to flow, run
  1a3) to rinse or wash off
 1b) (Niphal) to be swept away, be rinsed out
 1c) (Pual) to be rinsed, be scoured and rinsed