argentarium
Could not find argentariorumque in Logeion dictionaries.
argentariorumque Noun: neuter genitive plural of argentarium
argentariorumque Noun: masculine genitive plural of argentarius
argentārĭum, ii, n., v. argentarius, II. C.
1 argentārĭum, ĭī, n. , armoire à serrer lʼargenterie : Ulp. Dig. 34, 2, 19.
argenteum Opus, de quo supra.