וַיְהִ֛י מִקֵּ֥ץ יָמִ֖ים וַיִּיבַ֣שׁ הַנָּ֑חַל כִּ֛י לֹֽא־הָיָ֥ה גֶ֖שֶׁם בָּאָֽרֶץ׃ (ס)
And it came to pass after a while, that the brook dried up, because there was no rain in the land.
Ibn Ezra
ונשתו And shall be dried up.4A. V., And shall fail, faileth. Comp. לשונם בצמא נשתה their tongue is dry for thirst (41:17)