vestige
//ˈvɛstɪdʒ//
Noun
vestigeSingular
vestigesPlural
1
A trace or remnant of something that is disappearing or no longer exists.
The ancient ruins are the last vestiges of a once-great civilization.
2
The smallest amount or slightest indication of something.
There was not a vestige of doubt in her mind.
3
A part or organ of an organism that has become reduced or functionless in the course of evolution.
The human appendix is considered a vestige of our evolutionary past.