TgO Deut28:29 :וֻתהֵי מְמַשֵיש בְטֵיהֲרָא כְמָא דִממַשֵיש עֲוִירָא בְקַבלָא‏ : you will be groping at noon as a blind man gropes in the dark
See the entire entry for mšš vb. to feel