attrit

[ uh-trit ]
/ əˈtrɪt /

verb (used with object), at·trit·ted, at·trit·ting.

to wear down (an opposing military force) by numerical superiority in troops or firepower.

Origin of attrit

First recorded in 1750–60; back formation from attrition

British Dictionary definitions for attrit

attrit
/ (əˈtrɪt) /

verb -trits, -tritting or -tritted US slang (tr)

to wear down or dispose of gradually
to kill

Word Origin for attrit

C18: back formation from attrition