antiquity
antique + -ity
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source: By Harrieta171 - Own work, CC BY-SA 3.0
noun (plural antiquities)
1. the ancient past, especially the period before the Middle Ages:
古代〘特に古代ギリシャ･ローマの時代〙; 古（いにしえ）の時代
e.g. the great civilizations of antiquity.
(usually antiquities) an object, building, or work of art from the ancient past:
〖通例-ties〗古代の遺物［遺跡, 美術品］.
e.g. an extensive collection of Greek antiquities.
2. great age:
(年代を経て)きわめて古いこと.
e.g. a church of great antiquity.
ORIGIN
Middle English: from Old French antiquite, from Latin antiquitas, from antiquus ‘old, former’ (see antique).