infectōrĭus

a, um, adj.

id.

I. that serves for dyeing (late Lat.): alumen, Marc. Emp. 4.—Subst.: infectōrĭum, ĭi, n., a dye-house, Gr. βαφεῖον, Gloss. Philox.
Lewis & Short
A Latin Dictionary, 1879
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