a small part of something that still exists after the rest of it has stopped existing (Oxford)
usually used in negative sentences, to say that not even a small amount of something exists (Oxford)
a small part or amount of something larger, stronger, or more important that still exists from something that existed in the past (Cambridge)
In commonwealth countries, you can see the last vestiges of the old colonial regime. (Oxford)
His report offered not a vestige of comfort. (Oxford)
There is now no vestige of hope that the missing children will be found alive. (Cambridge)
last vestiges of the old colonial regime
a vestige of comfort
no vestige of hope
Trace
Residue
Information
Lot
Vestigial