The Origin of Boomerang
...it was not until 1822 that this fascinating device was described in detail and recorded as a 'bou-mar-rang', from the language of the Turuwal people of the George's River near Port Jackson. What is immediately apparent is that this same people had other words for their hunting sticks but used 'boornarang' to refer to a returning throw-stick. The Turuwal people were a sub-group (the word 'tribe' is inappropriate in speaking of Aboriginal peoples) of the Dharug language group which extended from the shores of Sydney (between Port Jackson and Port Hacking) in the east, to nearly Katoomba in the Blue Mountains to the west. Many of the Aboriginal words we use in English are from the Dharug language, including boomerang, waratah, wallaby, dingo, kookaburra, koala and woomera...
Ref: http://www.boomerang.org.au/articles/article-what-is-a-boomerang.html
