TgO Deut1:10 :וְהָאִיתֵיכוֹן יוֹמָא דֵין כְכוֹכְבֵי שְמַיָא לִסגֵי‏ : here you are today as numerous as the stars of the sky
See the entire entry for ˀyt vb./adv. there is, exists