Etymology
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dojo (n.)

"hall in which judo is practiced," 1942, from Japanese, where it has a wider sense and is said to mean "place of the Way."

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petro- (2)
word-forming element used from mid-20c. to mean "of or having to do with petroleum products," from petroleum.
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sordid (adj.)
early 15c., "festering," from Latin sordidus "dirty, filthy, foul, vile, mean, base," from sordere "be dirty, be shabby," related to sordes "dirt, filth," from PIE *swrd-e-, from root *swordo- "black, dirty" (source also of Old English sweart "black"). Sense of "foul, low, mean" first recorded 1610s. Related: Sordidly; sordidness.
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budgerigar (n.)
small Australian parrot, 1847, from a native Australian language, said to mean "good cockatoo," from budgeri "good" + gar "cockatoo."
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bickering (adj.)
1808 in the sense of "contentious," present-participle adjective from bicker (v.). Earlier it was used to mean "flashing, quivering" (1660s).
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rascally (adj.)

"low, mean, unprincipled, characteristic of a rascal," 1590s, from rascal + -ly (1). The earlier adjective was simply rascal (early 15c.).

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Szechwan 
also Szechuan, place name, said to mean "four rivers," from Chinese si "four" + chuan "river."
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Tehran 
also Teheran, Iranian capital, said to mean "flat, level, lower," but sometimes derived from Old Persian teh "warm" + ran "place."
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sayonara 

"farewell, good-bye" 1875, from Japanese, said to mean literally "if it is to be that way," from sayo "that way," + nara "if."

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Salem 

place mentioned in Genesis xiv.18, from Hebrew Shālēm, usually said to be another name for Jerusalem and to mean "peace" (compare Hebrew shalom, Arabic salaam). A typical meetinghouse name among Baptists and Methodists, so much so that by mid-19c. it (along with Bethel and Ebenezer) had come to be used in Britain generically to mean "non-conformist chapel."

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