Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rŭbrīco, no perf., ātum, 1, v. a. [rubrica], to color red (very rare): furi rubricato minare, Auct. Priap. 73, 2; Ven. Vit. S. Mart. 2 fin.; Petr. 46, 7; Vulg. Exod. 25, 5; 39, 33.