Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. scŏpo, ĕre [σκοπέω], to investigate, test, search: spiritum suum, Vulg. Psa. 76, 7.
† scŏpos, i, m., = σκοπός, a mark, aim at which one shoots, Suet. Dom. 19.
† scŏpus, i, m., = σκοπός, a goal, target: in pueri procul stantis, praebentisque pro scopo dispansam dextrae manūs palmam, sagittas direxit, Suet. Dom. 19 (dub.; Roth, scopulo; cf. σκοπός, in trop. sense, Cic. Att. 8, 11, 2).