Boomerang

google

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early 19th century: from Dharuk.

wiktionary

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Borrowed from Dharug bumariny.

etymonline

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boomerang (n.)

"missile weapon used by Australian aborigines," 1827, adapted from an extinct Aboriginal languages of New South Wales, Australia. Another variant, perhaps, was wo-mur-rang (1798).

boomerang (v.)

1880, "to throw a boomerang," from boomerang (n.). Figurative sense "fly back to the starting point" is from 1900.