Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
circum-mitto, mīsi, missum, 3, v. a., to send around: legationes in omnes partes, Caes. B. G. 7, 63; id. B. C. 3, 55: praecones, id B. G. 5, 51; id. B. C. 1, 12: jugo circummissus Veiens, Liv. 2, 50, 10: post montes, id. 4, 18, 4: milites, id. 29, 33, 3; 36, 14, 13: scaphas, id. 29, 25, 7.