Symbol for taken away
The symbol you are looking for is called the Subtracting sign. Here is what it looks like in an attachment.
Here are words for what it is called:
Subtract
Minus
Hi there!
In math terms, when we think of the words "Taken away", we immediately think of subtraction/subtracting. So, the symbol that you're looking for looks sort of like a dash.
- is what it looks like.
Hope this helps!
Message me if you need anything else! I'd be happy to help you! :D