qa.pah describes liquids setting or thickening, and figuratively men settled upon their dregs.

The verb describes waters or milk-like substance becoming set or thickened in Exodus 15:8 and Job 10:10; Zephaniah 1:12 applies the image to men settled upon their dregs.

1. Liquids becoming set or thickened · dominant

   In Exodus 15:8, the Qal perfect occurs in the clause about the flowing waters in the sea; the APB renders the clause “the flowing waters congealed.” In Job 10:10, the Hiphil imperfect addresses God’s action toward the speaker, and the APB renders it “curdle me like cheese.”

   Exodus 15:8Job 10:10
2. Men settled upon their dregs · occasional

   In Zephaniah 1:12, the Qal active participle describes men who say in their heart that the LORD will do neither good nor evil; the APB renders them as those who “congeal upon their dregs.”

   Zephaniah 1:12

In the Anselm Project Bible: The APB presents the term with “congealed” for waters, “curdle” in the milk-and-cheese comparison, and “congeal upon their dregs” for the men in Zephaniah 1:12. These are clause-level renderings rather than definitions.