[1515–25; mis-1 + reckon]This word is first recorded in the period 1515–25. Other words that entered Englishat around the same time include: cabala, engage, exhaust, parrot, squibmis- is a prefix applied to various parts of speech, meaning “ill,” “mistaken,” “wrong,”“wrongly,” “incorrectly,” or simply negating. Other words that use the affix mis- include: misprint, mistrial, mistrust