1. the quality or state of being ancient; great age or antiquity
Usage: archaic or literary
2. ancient times or the ancient world; antiquity as a historical period
Usage: archaic or literary

Examples

• The ruins spoke to the ancientry of the civilization.
• Scholars debated the ancientry of the manuscript.
• The temple's ancientry was evident in its weathered stones.
• He was fascinated by the ancientry of Rome.
• The document's ancientry made it invaluable to historians.