cocoa (n.)youdaoicibaDictYouDict[cocoa 词源字典]
powder from cacao seeds, 1707, corruption (by influence of coco) of cacao. The printing of Johnson's dictionary ran together the entries for coco and cocoa, fostering a confusion that never has been undone.[cocoa etymology, cocoa origin, 英语词源]
express (adj.)youdaoicibaDictYouDict
late 14c., "stated explicitly, not implied, clearly made known" from Old French espres, expres (13c.), from Latin expressus "clearly presented, distinct, articulated precisely," past participle of exprimere (see express (v.)). Also late 14c. as an adverb, "specially, on purpose;" it also doubled as an adverb in Old French. An express train (1841) originally was one that ran to a certain station.