is a  hamlet  in  Wycombe district  about 1.25 miles (2.01 km) northwest of  Princes Risborough ,  Buckinghamshire  on the A4129 road. The  toponym  is from the  Old English  for "long farm". [ citation needed ] With  Ilmer ,  Owlswick ,  Meadle  and Horsenden, it forms the  civil parish  of  Longwick-cum-Ilmer  which was created