TgO Gen8:5 :
See the entire entry for ḥsr vb. to be lacking

TgO Gen8:5 :וֻמַיָא הֲווֹ אָזְלִין וְחָסְרִין עַד יַרחָא עֲסִירָאָה‏ : the water continued to diminish until the tenth month
See the entire entry for ˁsīrāy adj. tenth