TgJ Jer8:21 :אִשתְמָמוּ אֲחַדַתנִי‏ : I have been overwhelmed by the desolation
See the entire entry for ˀištəmāmū n.f. desolation

TgJ Jer8:21 :עֲל תְבָר כְנִשתָא דְעַמִי אִזדַעזַעִית‏ : I have become disturbed because of the destruction of the assembly of my people
See the entire entry for zwˁ vb. to move; to tremor