IPA: /ˈeɪnʧətnəs/
KK: /ˈeɪnʃəntnəs/
The condition of being very old or from a long time ago.
The ancientness of the ruins amazed the tourists.
Ancientness → It is formed from "ancient" (from Latin *antiquus*, meaning old or former) and "-ness" (meaning the state or quality of). The word "ancientness" refers to the state of being ancient or very old.
Think of 'ancient' meaning very old, and '-ness' indicating a state or quality. This helps you remember that 'ancientness' refers to the quality of being ancient.