Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
flammĕŏlum, i, n. dim. [flammeum, from flammeus], a small bridal veil, Juv. 10, 334; Prud. Psych. 449.
* flammĕŏlus, a, um, adj. dim. [flammeus], flame-colored: caltha, Col. 10, 307.