Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. scriptus, a, um, Part., from scribo.
2. scriptus, ūs, m. [scribo], the office of a scribe or secretary, a clerkship, secretaryship (rare): quem aliquanto ante desisse scriptum facere arguit, etc., Liv. 9, 46, 3: Cn. Flavius scriptum faciebat … dicitur tabulas posuisse, scriptu sese abdicasse, L. Piso ap. Gell. 6, 9, 2 sq.; Fronto Ep. ad Amic. 2, 6: quaestorius, Suet. Vit. Hor. p. 44, 8: censorius, Schol. Juv. 5, 3.