[1745–55; var. of misaunter, equiv. to mis-1 + aunter, var. of obs. aventureadventure]This word is first recorded in the period 1745–55. Other words that entered Englishat around the same time include: ellipse, generalize, pompadour, umbilical cord, vignettemis- 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