H4388–מַכְתֵּשׁ–makh.tesh

And God split open the hollow place that is at Lehi, and there came water from it; and when he drank, his spirit returned, and he revived. Therefore the name of it was called En-hakkor'e; it is at Lehi to this day.

הַמַּכְתֵּ֣שׁ (מַּכְתֵּ֣שׁ) makh.Tesh “deep hollow”

If thou shouldest bray a fool in a mortar among wheat with a pestle, yet will not his folly depart from him.

בַּֽמַּכְתֵּ֡שׁ (מַּכְתֵּ֡שׁ) makh.Tesh “mortar”