Etymology
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Oman 
coastal nation in Arabia, supposedly named for its founder. Recorded from Roman times (Omana, in Pliny). Related: Omani.
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Muscat 
capital of Oman, from Arabic Masqat, said to mean "hidden" (it is isolated from the interior by hills).
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trucial (adj.)
1876, from truce + -ial. Trucial States, the pre-1971 name of the United Arab Emirates, is attested from 1891, in reference to the 1835 maritime truce between Britain and the Arab sheiks of Oman.
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