TgJ Is35:7 :וִיהֵי שָרוֹבָא לְאַגמִין דְמַיִין‏ : the driest terrain will become well-watered marshes
See the entire entry for ˀăḡam, ˀa/eḡmā n.m. meadow, swamp

TgJ Is35:7 : וִיהֵי שָרוֹבָא לְאַגמִין דְמַיִין‏ : the driest terrain [=MT הַשָּׁרָב] will become well-watered marshes†
See the entire entry for šārōḇ, šārōḇā v.n. desiccated area