x570 / # emerge ncurses -pv 

These are the packages that would be merged, in order: 

Calculating dependencies... done! 

!!! All ebuilds that could satisfy "ncurses" have been masked. 
!!! One of the following masked packages is required to complete your request: 
- sys-libs/ncurses-6.3_p20221008::core-kit (masked by: missing keyword) 

For more information, see the MASKED PACKAGES section in the emerge 
man page or refer to the Gentoo Handbook.