"Gaulish" is a word in ENGLISH

Ancient; pertaining to the earliest period in geological history.

Of or pertaining to Artois (anciently called Artesium), in France.

Pertaining to an Earl of Arundel; as, Arundel or Arundelian marbles, marbles from ancient Greece, bought by the Earl of …

Of or pertaining to Atella, in ancient Italy; as, Atellan plays; farcical; ribald.

Of or pertaining to the isle Atlantis, which the ancients allege was sunk, and overwhelmed by the ocean.

Of or pertaining to Avernus, a lake of Campania, in Italy, famous for its poisonous vapors, which ancient writers fancied …

Of or pertaining to the real or to the mystical Babylon, or to the ancient kingdom of Babylonia; Chaldean.

Pertaining to certain parts, anciently supposed to have a specially important function in the animal economy, as the middle vein …

Of or pertaining to (a) the Batavi, an ancient Germanic tribe; or to (b) /atavia or Holland; as, a Batavian …

Of or pertaining to the Belgae, a German tribe who anciently possessed the country between the Rhine, the Seine, and …

Of or pertaining to Bohemia, or to the language of its ancient inhabitants or their descendants. See Bohemian, n., 2.

Pertaining to Brabant, an ancient province of the Netherlands.

Of a pertaining to ancient Carthage, a city of northern Africa.

Of or pertaining to the ancient Celtiberia (a district in Spain lying between the Ebro and the Tagus) or its …

Of or pertaining to the Chalybes, an ancient people of Pontus in Asia Minor, celebrated for working in iron and …

Pertaining to the Cimbri, an ancient tribe inhabiting Northern Germany.

Pertaining to the Cimmerii, a fabulous people, said to have lived, in very ancient times, in profound and perpetual darkness.

Of or pertaining to the ancient Greeks and Romans, esp. to Greek or Roman authors of the highest rank, or …

Pertaining to, or versed in, the ancient wedge-shaped characters, or the inscriptions in them.

Pertaining to Cyrenaica, an ancient country of northern Africa, and to Cyrene, its principal city; also, to a school of …