Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
hornōtĭnus, a, um, adj. [hornus], of this year, this year’s: nuces, Cato, R. R. 17, 2: frumentum, Cic. Verr. 2, 3, 18, § 45: virgae, Col. 5, 6 fin.