du.mam denotes a silent or quiet manner, whether sitting, waiting, or describing a stone.

The attested uses describe silence or quietness: as an adverbial manner of sitting and waiting, and as a noun describing a stone addressed as though it could arise.

1. Quiet manner of sitting or waiting · dominant

   In Isaiah 47:5, the adverb occurs with the command to sit and enter darkness; the APB renders the clause "Sit in silence." In Lamentations 3:26, the adverb accompanies waiting for the salvation of the LORD, and the APB renders this "wait quietly."

   Isaiah 47:5Lamentations 3:26
2. A silent stone · occasional

   In Habakkuk 2:19, the noun describes the stone that is told, "Arise," within a denunciation of an object overlaid with gold and silver but having no spirit within it. The APB renders the phrase "silent stone."

   Habakkuk 2:19

In the Anselm Project Bible: The APB presents the adverbial occurrences as "in silence" and "quietly," and the noun occurrence as "silent stone." These renderings confirm the clauses' overall presentation rather than establish separate lexical meanings.