TgO Ex17:16 :וַאְמַר בִשבוּעָה אְמִירָא דָא : he proclaimed this speech as an oath See the entire entry for ˀmyrh n.f. speech, word
TgO Ex17:16 :יִתָגַח קְרָבָא : † See the entire entry for gwḥ vb. to overflow; C make war