emissarium
From LSJ
μεγάλα ὠφελήσεσθε πρὸς ἱστορίαν τῶν κοινῶν → that will be of great benefit to you in order to understand public affairs
Latin > English (Lewis & Short)
ēmissārĭum: ii, n. emitto,
I an outlet: lacūs, a drain, Cic. Fam. 16, 18; Plin. 33, 4, 21, § 75; Suet. Claud. 20, 32: vomicae, Scrib. Comp. 229; cf. collectionis, id. ib. 206.
Latin > French (Gaffiot 2016)
ēmissārĭum,¹⁵ ĭī, n. (emitto), déversoir : Cic. Fam. 16, 18, 2 ; emissarium lacus Suet. Claud. 20, 32, décharge d’un lac