aberuncate
/ˌæbəˈrʌŋkət, ˌæbəˈrʌŋkɪt/Definitions
1. verb
to cut off or shorten abruptly; to truncate.
“The editor decided to aberuncate the long story into a shorter version.”
2. noun
an act of truncating or cutting off abruptly.
“The aberuncture of the data caused a significant loss of information.”