Strong's G5597 — ψώχω (verb)
psocho (pso'-kho) v.
1. to triturate
2. (by analogy) to rub out (kernels from husks with the fingers or hand)
[prolongation from psao "to rub or touch the surface"]
KJV: rub 
See also: G5567 
Occurrences: 1