Of where the abbreviations " O.K. " come ?

Etymology: abbreviation of oll korrect, misspelling of all correct

Well, that turned out to be more interesting than I thought it would.

Okay is a term of approval, assent, or acknowledgment, often written as OK or O.K.. (See also AOK.) When used to describe the quality of a thing, it denotes acceptability. However, its usage can also be strongly approving; as with most slang, its usage is determined by context.

The historical record shows that O.K. appeared as an abbreviation for "oll korrect" (a conscious misspelling of "all correct") in Boston newspapers in 1839, and was reinterpreted as "Old Kinderhook" in the 1840 United States presidential election. Because it is a recent word born of word play, and because it is so widely used, okay has also invited many folk etymologies

There is something I learned today.

OK from American English.

Word History: OK is a quintessentially American term that has spread from English to many other languages. OK is first recorded in 1839 but was probably in circulation before that date. During the 1830s there was a humoristic fashion in Boston newspapers to reduce a phrase to initials and supply an explanation in parentheses. Sometimes the abbreviations were misspelled to add to the humor. OK was used in March 1839 as an abbreviation for all correct, the joke being that neither the O nor the K was correct.

You have already received several interesting answers, but let me add one to the mix.

I have read that the word "okay" was a variation on a Choctaw (native American) word "okeh" which means "yes," "I agree," or "I understand," depending on how it's used. Commonly abbreviated "O.K."

It could have had a mix of several origins, and all sound interesting. I have always accepted the Choctaw explanation, however, mainly because I liked it best.

By the way, thank you for your message. I have been to Belgium. Spent three weeks in the town of Chievres on a military exercise in 1982. You have a very nice country and I would love to go back for a visit.

Why an O and a K?

Because it is an imported Dutch expression.

When Dutch sailors had done their job correctly or saw that something was right, they said:"Onder kontrole" (=under controle), brief O.K.

I think its just okay, but shortened, and I think also oll korrect.

Excuse me? I don't understand, sorry.

"Okay" or "oll korrect"