(adjective) : prōlētārĭus, ĭi, m.proles.
* According to a division of the people by Servius Tullius, a citizen of the lowest class, who served the State not with his property, but only with his children (proles), a proletary: qui aut non plus mille quingentum aeris aut omnino nihil in suum censum praeter caput attulissent, proletarios nominavit, ut ex iis quasi proles [id est quasi progenies] civitatis exspectari videretur,Cic. Rep. 2, 22, 40; cf Liv. 1, 43; Fragm. XII. Tab. ap. Gell. 16, 10, 1; Enn. ib. (Ann. v. 189 Vahl.): proletarios lucrari plures,Amm. 19, 11, 7: proletarium capite censum, dictum quod ex his civitas constet, quasi proles progenie: iidem et proletanei,Fest. p. 228 Müll.—*
* Transf., , low, common: sermo,Plaut. Mil. 3, 1, 157.

s. TLL