Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
per-scītus, a, um, adj., very clever, very fine.
In tmesi: quod apud Catonem est … per mihi scitum videtur, Cic. de Or. 2, 67, 271: per ecastor scitus puer, Ter. And. 3, 2, 6.