Etymology
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Calor (n.)

proprietary name for a type of liquid gas sold in Britain, 1936, from Latin calor, literally "heat" (from PIE root *kele- (1) "warm").

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Gascon 

"native of Gascony," late 14c., from French Gascon, from Vulgar Latin *Wasco, from Latin Vasco, singular of Vascones, the name of the ancient inhabitants of the Pyrénées (see Basque). Among the French, proverbially a boastful people, hence gasconade (n.), "bragging talk" (1709).

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Philadelphia 

city in Pennsylvania between the Delaware and Schuylkill rivers, from Greek, taken by William Penn to mean "brotherly love," from philos "loving" (see philo-) + adelphos "brother" (see Adelphi). Related: Philadelphian.

Also the name recalls that of the ancient city in Lydia, mentioned in the New Testament, which was so called in honor of Attalos II Philadelphos, 2c B.C.E. king of Pergamon, who founded it. His title is said to have meant "loving the brethren" or to be a reference to his affection for his brother Eumenes, whom he succeeded.

Philadelphia lawyer "clever, shrewd attorney" is attested from 1788 in London, said originally to have been applied to Andrew Hamilton, who obtained the famous acquittal of J.P. Zenger in New York on libel charges in 1735.

[C]ricket and coaching were after all popular in their day in places besides Philadelphia. It was merely that Philadelphia kept on with them longer than most places. This is a perennial Philadelphia trick, and gives to Philadelphia a sort of perpetual feeling of loss. Philadelphians are always just now getting rid of things that are picturesque, like those gas lamps on the streets, only because everybody else got rid of them long ago. [Nathaniel Burt, "The Perennial Philadelphians," 1963]
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