Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* scalptūrĭo (scalpūrĭo, Non. 171, 32), īre, v. desid. n. [scalpo], to scratch, claw: occoepit (gallus) ibi scalpturire ungulis circumcirca, Plaut. Aul. 3, 4, 8.