mop–up

mop–up /ˈmɑːpˌʌp/ noun
mop–up
/ˈmɑːpˌʌp/
noun
Britannica Dictionary definition of MOP–UP
[singular] informal
: the actions that complete a job or task after the more difficult parts have been done
— often used before another noun — see also mop up at 2mop