英语词源字典 - 在线词源网站

customs [customs 词源字典]: "The official department that administers and collects the duties levied by a government on imported goods", Late Middle English: originally in the singular, denoting a customary due paid to a ruler, later duty levied on goods on their way to market.[customs etymology, customs origin, 英语词源]
coadjutor: "A bishop appointed to assist and often to succeed a diocesan bishop", Late Middle English: via Old French from late Latin coadjutor, from co- (from Latin cum 'together with') + adjutor 'assistant' (from adjuvare 'to help').
Canis Major: "A small constellation (the Great Dog), said to represent one of the dogs following Orion. It is just south of the celestial equator and contains the brightest star, Sirius", Latin.
conjuror: "A performer of conjuring tricks", Middle English: partly from conjure, partly from Old French conjureor, conjurere, from medieval Latin conjurator, from Latin conjurare 'conspire' (see conjure).
choux pastry: "Very light pastry made with egg, typically used for eclairs and profiteroles", Late 19th century: from choux or chou, denoting a round cream-filled pastry (from French chou (plural choux) 'cabbage, rosette', from Latin caulis) + pastry.
caster sugar: "Finely granulated white or pale golden sugar", Mid 19th century: so named because it was suitable for use in a castor (see castor¹ (sense 2)).
centric: "In or at the centre; central", Late 16th century: from Greek kentrikos, from kentron 'sharp point' (see centre).
chafing dish: "A cooking pot with an outer pan of hot water, used for keeping food warm", Late 15th century: from the original (now obsolete) sense of chafe 'become warm, warm up'.
cor anglais: "An alto woodwind instrument of the oboe family, having a bulbous bell and sounding a fifth lower than the oboe", Late 19th century: French, literally 'English horn'.
castor oil: "A pale yellow oil obtained from castor beans, used as a purgative, a lubricant, and in manufacturing oil-based products", Mid 18th century: perhaps so named because it succeeded castor² in medicinal use.
cos: "A lettuce of a variety with crisp narrow leaves that form a tall head", Late 17th century: named after the Aegean island of Cos, where it originated.
cheongsam: "A straight, close-fitting silk dress with a high neck and slit skirt, worn by Chinese and Indonesian women", Chinese (Cantonese dialect).
cocker: "A small spaniel of a breed with a silky coat", Early 19th century: from cock¹ + -er¹ (the dog was bred to flush out game birds such as woodcock).
campesino: "(In Spain and Spanish-speaking countries) a peasant farmer", Spanish.
crural: "Relating to the leg or the thigh", Late 16th century: from Latin cruralis, from crus, crur- 'leg'.
coelom: "The principal body cavity in most animals, located between the intestinal canal and the body wall", Late 19th century: from Greek koilōma 'cavity'.
Chelonia: "Former term for Testudines", Modern Latin (plural), from Greek khelōnē 'tortoise'.
crista: "A ridge or crest", Mid 19th century: from Latin, 'tuft, plume, crest'.
clotbur: "A herbaceous plant of the daisy family with burred fruits, native to tropical America but now found all over the world", Mid 16th century: from dialect clote 'burdock' + burr.
carpology: "The study of fruits and seeds", Early 19th century: from Greek karpos 'fruit' + -logy.