truncar bedeutet auf Englisch

curtail [curtailed, curtailing, curtails]▼(shorten or abridge)
verb
[UK: kɜː.ˈteɪl] [US: kər.ˈteɪl]

sever [severed, severing, severs]▼(to cut free)
verb
[UK: ˈse.və(r)] [US: ˈse.vər]

truncate [truncated, truncating, truncates]▼(shorten something as if by cutting off part of it)
verb
[UK: trʌŋˈk.eɪt] [US: ˈtrəŋˌket]