thēsaurārĭus

a, um, adj.

thesaurus

I. of or belonging to treasure: fures, Plaut. Aul. 2, 8, 25.—Subst.: thēsaurārĭum, i, n., treasure (late Lat.), Cassiod. in Psa. 21, 31.
Lewis & Short
A Latin Dictionary, 1879
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