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Origin and history of dynamo

dynamo(n.)

"generator for converting mechanical rotation into electric power," 1882, short for dynamo-machine, from German dynamoelektrischemaschine "dynamo-electric machine," coined 1867 by its inventor, German electrical engineer Werner Siemans (1816-1892), from Greek dynamis "power," from dynasthai "to be able, to have power, be strong enough," which is of unknown origin.

also from 1882

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park
mid-13c., "tract of land enclosed as a preserve for beasts of the chase," from Old French parc "enclosed wood or heath land used as a game preserve" (12c.), probably ultimately from West Germanic *parruk "enclosed tract of land" (source also of Old English pearruc, root of paddoc
hearse
c. 1300 (late 13c. in Anglo-Latin), "flat framework for candles, hung over a coffin," from Old French herse, formerly herce "large rake for breaking up soil, harrow; portcullis," also "large chandelier in a church," from Medieval Latin hercia, from Latin hirpicem (nominative hirp
gentleman
c. 1200, perhaps mid-12c., "well-born man, man of good family or birth," also extended to Roman patricians and ancient Greek aristocrats, from gentle + man (n.); the compound probably is modeled on Old French gentilhomme (the English gentleman itself was borrowed into French in 1
consequence
late 14c., "logical inference, conclusion," from Old French consequence "result" (13c., Modern French conséquence), from Latin consequentia, abstract noun from present-participle stem of consequi "to follow after," from assimilated form of com "with, together" (see con-) + sequi
sanction
1560s, "a law or decree," from Latin sanctionem (nominative sanctio) "act of decreeing or ordaining," also "a decree, an ordinance, a law," noun of action from past-participle stem of sancire "to decree, confirm, ratify, make sacred" (see saint (n.)). Originally especially of ecc
fantastic
late 14c., "existing only in imagination, produced by (mental) fantasy," from Old French fantastique (14c.), from Medieval Latin fantasticus, from Late Latin phantasticus "imaginary," from Greek phantastikos "able to imagine," from phantazein "make visible" (middle voice phantaze
magistrate
late 14c., "a civil officer in charge of administering laws," also "office or function of a magistrate," from Old French magistrat, from Latin magistratus "a magistrate, public functionary," originally "magisterial rank or office," from magistrare "serve as a magistrate," from ma
barren
c. 1200, "incapable of producing its kind" (of female animals, plants), from Old French baraigne, baraing "sterile, barren" (12c.), perhaps originally brahain, a word of obscure derivation, possibly from a Germanic language. Its use in reference to males is rare. Of land, "produc
giraffe
long-necked ruminant animal of Africa, 1590s, giraffa, from Italian giraffa, from Arabic zarafa, probably from an African language. Earlier Middle English spellings varied wildly, depending on the foreign source, and included jarraf, ziraph, and gerfauntz, some apparently directl
depression
c. 1400 as a term in astronomy, "angular distance of a star below the horizon," from Old French depression (14c.) and directly from Medieval Latin depressionem (nominative depressio), noun of action from past participle stem of Latin deprimere "to press down, depress" (see depres

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