breakoff

or break-off

[ breyk-awf, ‐of ]
/ ˈbreɪkˌɔf, ‐ˌɒf /

noun

a discontinuation, especially abrupt, as of relations.
the action of breaking off.

Origin of breakoff

First recorded in 1860–65; noun use of verb break off (in the sense “to stop sudddenly”)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019