vestige
🇺🇸
/ˈvestɪdʒ/
🇬🇧
/ˈvestɪdʒ/
A small remaining part of something that used to be larger or more significant.
The ancient castle still had some vestiges of its former grandeur.
A very small amount or trace of something that is almost non-existent.
There wasn't a vestige of doubt in her mind about the decision.