Kehillah in Corinth I 1:8

Orthodox Jewish Bible

⁸ Who also with chizzuk (strengthening) will confirm you ad es Ketz (until the time of the End‖DANIEL 11:35), unreprovable in the Yom Hashem, the Yom Adoneinu, Rebbe, Melech HaMoshiach Yehoshua. [AMOS 5:18]