Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
hordĕācĕus (or ord-), a, um, adj. [hordeum], of or relating to barley, barley-: farina, Cato, R. R. 157, 5; Plin. 20, 13, 51, § 135: panis, id. 18, 11, 26, § 103: farrago, Col. 11, 2, 99: messis, Plin. 18, 29, 71, § 295: pira, barley-pears, i. e., ripe at the barleyharvest, Col. 5, 10, 18.