pĕr-antīquus, a, um, adj.,
very ancient , Cic. Brut. 10, 41: testes, id. Rep. 1, 37, 58: sacrarium, id. Verr. 2, 4, 2, § 4: calceamenta, Vulg. Jos. 9, 5.
per-antīquus adj., very ancient. ...
An Elementary Latin Dictionary