Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
circum-verto or circum verto (-vorto), ĕre, v. a., to turn around (rare; not in Cic.): citius quam rotula circumvortitur, Plaut. Pers. 3, 3, 39; cf.: rota circumvertitur axem, turns or is turned around on its axis, Ov. M. 15, 522 (Merkel, circumvolvitur): ubi circumvortor, cado, turn myself around, Plaut. Ps. 5, 1, 32; cf.: circumvertens se, turning one’s self to the right side, * Suet. Vit. 2; v. the commentt. in h. l.: mancipium, to declare free, Quint. Decl. 342; v. circumago, I. B. (in Plaut. Ps. 1, 5, 127, perh. a false reading for intervortant, which Fleck. adopts; cf. Lorenz ad loc.).