ĕleuthĕrĭus — Lewis & Short
ĕleuthĕrĭus, i, m., = *)eleuqe/rios (Liberator),
Liber,Arn. 6, p. 207.—Hence, ĕleuthĕrĭa, ōrum, n., the festival of Jupiter Eleutherius, feast of liberty, celebrated in honor of the victory at Plataea, Plaut. Pers. 1, 1, 29.