H3806. kathash
[כָּתַשׁ] verb pound, pound fine, bray (Late Hebrew id.; Aramaic כְּתַשׁ; Syriac is strive, contend; Zinjirli כתש break in pieces, shatter, DHMSendsch. 58); —
Qal Imperfect בַּמַּכְתֵּשׁ אֶתהָֿאֱוִיל אִםתִּֿכְתּוֺשׁ [Prov 27:22] if thou shouldest bray the fool in the mortar.