subclaim
/ˈsʌbklæm/Definitions
1. noun
A subsidiary or secondary claim, especially one that is less important or less well-supported than the main claim.
“The lawyer presented several subclaims to support her client’s case.”
2. verb
To make or put forward a subsidiary or secondary claim, especially one that is less important or less well-supported than the main claim.
“The politician tried to subclaim that the opposing party’s plan was flawed.”