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crown [crown 词源字典]: crown: [12] Crowns appear to have been named essentially from their circular shape. The word’s ultimate source, Greek korónē, simply meant ‘something curved’ (it came from the adjective korōnos ‘curved’, which was a relative of Latin curvus ‘curved’). Latin borrowed it as corōna ‘circular garland’, and passed it on via Old French corone and Anglo-Norman corune to English.

Latin also derived a verb from it, corōnāre, which ultimately became the English verb crown and also, of course, formed the basis of English coronation [14]. Other English descendants of Latin corōna (which itself became an English word in the 16th century) are the two diminutives coronet [15] and corolla [17] (source of corollary), coroner [14] (originally an ‘officer of the crown’), and coronary.

The use of crown for certain coins (based of course on their being stamped with the figure of a crown) dates in English from the 14th century; it is also reflected in such coin names as Swedish krona and Danish and Norwegian krone.
=> corollary, coronation, coroner, coronet, curve[crown etymology, crown origin, 英语词源]
crown (n.): early 12c., "royal crown," from Anglo-French coroune, Old French corone (13c., Modern French couronne), from Latin corona "crown," originally "wreath, garland," related to Greek korone "anything curved, kind of crown." Old English used corona, directly from Latin.

Extended to coins bearing the imprint of a crown (early 15c.), especially the British silver 5-shilling piece. Also monetary units in Iceland, Sweden (krona), Norway, Denmark (krone), and formerly in German Empire and Austria-Hungary (krone). Meaning "top of the skull" is from c. 1300. Crown-prince is 1791, a translation of German kronprinz.
krone (n.): name of currency unit and silver coin in Scandinavian countries, 1875, from Danish krone (plural kroner), Swedish krona (plural kronor), literally "crown" (see crown). Also the name of a 10-mark gold piece issued by the German Empire. So called for the devices stamped on them.