Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sŭper-vŏlo, āre, v. a. and n., to fly over (poet. and in post-Aug. prose): totum supervolat orbem, Ov. M. 4, 624: supervolantes alte alites, Plin. 8, 14, 14, § 36; Mel. 1, 19; Val. Max. 4, 8, 5: tremebunda supervolat hasta, Verg. A. 10, 522.