It’s okay. OK. A-o.k. Okeydokey. O period K period. From the Scottish dialect och aye. According to trusty Webster. Which means “ah yes” or “oh yes.” And Gaelic och (“ah, oh”). OK became an American colloquialism. First known usage was March 23, 1839. By C. G. Greene. An editor at the Boston Morning Post newspaper. He facetiously misspelled “all correct” as “oll korrect.” The “OK” abbreviation for that stuck. And we’ve been okaying ever since. There was even a book b ...