interrupt

Concise Oxford English Dictionary © 2008 Oxford University Press:
interrupt/ɪntəˈrʌpt/

▶verb

• 1 stop the continuous progress of.

  ■ stop (a person who is speaking) by saying or doing something.

• 2 break the continuity of (a line, surface, or view): a sunken fence which doesn't interrupt the view across the fields.

– derivatives
interruptible adjective,
interruptive adjective.

– origin ME: from L. interrupt-, interrumpere ‘break, interrupt’, from inter- ‘between’ + rumpere ‘to break’.