vestigium
/vɛstɪˈɡiəm/Definitions
1. noun
A trace or sign of something that once existed but has now disappeared or become extinct.
“The fossilized tree trunk was a vestigium of a once-thriving forest.”
2. noun
A remaining or residual part of an organ or other body part that has lost its original function through evolution.
“The human appendix is an example of a vestigium in the digestive system.”
3. noun
A remnant or relic of a past time or culture.
“The ancient coin was a vestigium of the long-lost civilization.”
4. noun
A faint or slight indication of something.
“There was a vestigium of a storm in the darkening sky.”