Pu`al, meaning dubious; probably (from context) be burnt, scorched —

Pu`al Imperfect in relative clause, בְּעֵת יְזָֹֽרְבוּ נִצְמָ֑תוּ Job 6:17 ("" בְּחֻמּוֺ נִדְעֲכוּ מִמְּקוֺמָם), of brooks scorched and drying up ("" form of צָרַב q. v.; so Ew Di De Hoffm Kau AV RV MV; > Thes Rob-Ges who compare Arabic flow away, compare Late Hebrew זְרִיבָה; and Mich Dl^{Pr 36 f.} VBm (are straitened) RVm (shrink) compare Aramaic compress, (Arabic is to make a wooden enclosure), Assyrian zarâbu, Zim^{BP 32 n. 56, 70, 95}).