Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ex-augŭro, āvi, ātum, 1, v. a., to apply to profane uses a thing which has been consecrated, to desecrate, profane (very rare): fana, Cato ap. Fest. s. v. NEQVITVM, p. 162, 32 Müll.; cf. Liv. 1, 55: vestalem, Gell. 6, 7, 14: sacerdotes, Capitol. M. Aurel. 4.