Strong’s Hebrew
H3806 — kathash
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
כָּתַשׁ
kathash — pronounced kaw-thash
a primitive root; to butt or pound:--bray.
1 occurrence in the KJV.
Proverbs 27:22
Though thou shouldest bray a fool in a mortar among wheat with a pestle, yet will not his foolishness depart from him.