TgJ Jer23:12 :כְמַשרוֹעֲיָן בְקַבלָא יִתַקלוּן וְיִפְלוּן בַה‏ : like slippery places in the dark they shall stumble and fall in it
See the entire entry for mašrūˁī, mašrūˁīṯā n.f. slippery place