Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
cōlātus, a, um, Part. and P. a., from 2. colo.
2. cōlo, āvi, ātum, āre, v. a. [colum], to filter, strain, to clarify, purify (post-Aug.): ceram, Col. 9, 16, 1: mel, id. 12, 11, 1: vinum sportā palmeā, Pall. Febr. 27: sucum linteo, Plin. 25, 13, 103, § 164: thymum cribro, Col. 7, 8, 7: aliquid per linteum, Scrib. Comp. 271: ad colum, Veg. 2, 28, 19: per colum, Apic. 4, 2: aurum, App. Flor. p. 343, 20: terra colans, Plin. 31, 3, 23, § 38: faex colata, id. 31, 8, 44, § 95.
Poet.: amnes inductis retibus, i. e. to spread out a fish-net, Manil. 5, 193.
Hence, cōlātus, a, um, P. a., cleansed, purified (post-class.): nitor (beryllorum), Tert. Anim. 9.