Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. tinctus, a, um, Part. of tingo.
* 2. tinctus, ūs, m. [tingo], a dipping into, a dyeing; meton., a sauce into which something is dipped: avis croceo tinctu cibis gratissima, i. e. saffron-sauce, Plin. 10, 48, 68, § 134.