TgJ Jer29:11 :אֲרֵי קֳדָמַי גַליָן יָת מַחשְבָתָא דַאֲנָא מְחַשֵיב עֲלֵיכוֹן‏ : for the thoughts I am planning about them are clear to Me
See the entire entry for yāṯ, yaṯ_ prep. accusative particle