Simplify the following text for a Grade 11 native English-speaking person.
Original: The name of the town is believed to derive either from an Aboriginal word meaning ` under the hills , surrounded by hills , or towards a high place ' or from ` Bennelong ' , the name of a noted Aborigine .
Simplified: The name of the town is believed to come from either an Aboriginal word meaning ` towards a high place ' or from ` Bennelong ' , the name of a famous Aborigine .