昔は英語で
antiquity

英語の定義

昔
1. adv. once (in the indeterminate past)
昔見た映画 - a movie I once saw
2. n. the past, old times
昔と今 - the past and the present
昔の自分 - my past self
昔からの友達 - literally a friend since old times
昔に戻る - to return to the past
3. n. ancient
昔の人 - ancient people
もう昔の話だ。 - That's ancient history.

antiquity
1. n. Ancient times; faraway history; former ages
Cicero was an eloquent orator of antiquity.
2. n. The people of ancient times.
3. n. (obsolete) An old gentleman.
4. n. (history) The historical period preceding the Middle Ages (c. 500-1500), primarily relating to European history.
5. n. (often, constructed as an unplural) A relic or monument of ancient times, such as a coin, a statue, etc.; an ancient institution.
6. n. The state of being ancient or of ancient lineage.