TgJ Jer23:6 :יִתעַבדָן לַנָא זָכְוָן מִן קְֹדָם יוי בְיוֹמוֹהִי‏ : in his days the Lord will do His covenantal obligations for us
See the entire entry for zāḵū, zāḵūṯā n.f. merit; victory