Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sub-ērĭgo, no perf., ectum, 3, v. a., to raise up from below (post-Aug.): Isthmon curvata sublime suberigit unda, Sil. 15, 155: effultus in cubitum suberectusque, App. M. 2, p. 123 fin.; Marc. Emp. 20.