Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
per-sălūto, āvi, ātum, 1, v. a., to salute one after another: omnes, Cic. Fl. 18, 42: nomenculatores, Sen. Tranq. 12, 6: deos, Phaedr. 4, 12, 4; Curt. 10, 5, 3.