TgJ Is41:18 :וְאַפתַח לְהוֹן עַל נִגדִין נַהרִין וֻבגוֹ מֵישְרִין מַבוּעִין‏ : for them I will open up rivers on small streams and springs within desert plains
See the entire entry for mabbū, mabbūˁā n.m. spring, font

TgJ Is41:18 :אְשַוֵי מַדבְרָא לַאְגַמִין דְמַיִין וַאְרַע בֵית צַהוָנָא לְמַבוּעֵי מַיָא‏ : I shall make the desert into pools of water and the arid land into springs of water
See the entire entry for ṣahwān, ṣahwānā n./adj. aridity, thirst