wordy wednesday: at wit’s end June 12, 2013July 9, 2013 / .|k|. / Leave a comment Today’s idiom: at wit’s end Meaning: unable to think any more or come up with new ideas Origin: It originated with the Bible in Palms 107:27 in the King James translation, first printed in 1611. And that’s really the only thing I could find. Sources: dictionary. phrases. yahoo voices.