Was heißt »altgriechisch« auf Englisch?

Das Adjektiv altgriechisch lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Archäologen haben einen der altgriechischen Göttin Artemis geweihten, vergessenen Tempel entdeckt.: Archaeologists have found a lost temple dedicated to the ancient Greek goddess Artemis.

I speak Ancient Greek.
Music was an integral part of almost every aspect of ancient Greek society, from religious, to social to athletic events.
Tom believes in the ancient Greek gods.
The ancient Greeks believed that the Sun rode across the sky in a chariot drawn by four white horses driven by the god Heleius.
Modern Greek is easier than Ancient Greek.
"Nike" means victory in ancient Greek.
Hercules, an ancient Greek hero celebrated for his superhuman strength, was pursued throughout his life by the hatred of Juno, the goddess of birth, matrimony and care, worshiped as queen of gods by the Romans.
Tom knows Ancient Greek and Latin.
The art historian wrote an essay about the ancient Greek vase.
Even the ancient Greeks knew that.
Democracy is an idea that goes back to the ancient Greeks.
No one there spoke English, so Tom had to rely on his knowledge of Latin and Ancient Greek.
Achilles was an ancient Greek hero.
The name 'Asia' passed from ancient Greek into Latin, and from there into English.