[1700–10; ‹ L (Pliny) formīcātiōn-, s. of formīcātiō a sensation that ants are crawling on one's skin, equiv. to formicā(re) to have such a sensation (v. deriv. of formīca ant) + -tiōn- -tion]This word is first recorded in the period 1700–10. Other words that entered Englishat around the same time include: camera, cirrus, emphatic, hump, marquise