מַכְתֵּשׁmaktêsh

mortar (Proverbs 27:22; Judges 15:19; Zephaniah 1:11)

Pronunciation: mak-taysh' · Hebrew/Aramaic (Old Testament) · H4388

Same root

כָּתַשׁkâthash · H3806to butt or pound
מַכְתֵּשׁMaktêsh · H4389dell; the Maktesh, a place in Jerusalem

Where it appears

Appears 2 times in the Bible.

Judges 15:19 So God caused water to gush out of a hollow in the ground at Lehi, and Samson was revived as he drank. Then he named that place “The Spring of the One Who Cried Out,” and it is still in Lehi to this day.
Proverbs 27:22 You cannot separate fools from their foolishness, even though you grind them like grain with mortar and pestle.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).