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expect [expect 词源字典]: expect: [16] Someone who expects something literally ‘looks out’ for it. The word comes from Latin expectāre, a compound verb formed from the prefix ex- ‘out’ and spectāre ‘look’ (source of English spectacle, spectre, spectrum, and speculate). Already in Latin the literal ‘look out’ had shifted metaphorically to ‘look forward to, anticipate’ and ‘await’, meanings adopted wholesale by English (‘await’ has since been dropped).
=> espionage, spectacle, speculate, spy[expect etymology, expect origin, 英语词源]
anticipate (v.): 1530s, "to cause to happen sooner," a back-formation from anticipation, or else from Latin anticipatus, past participle of anticipare "take (care of) ahead of time," literally "taking into possession beforehand," from ante "before" (see ante) + capere "to take" (see capable).

Later "to be aware of (something) coming at a future time" (1640s). Used in the sense of "expect, look forward to" since 1749, but anticipate has an element of "prepare for, forestall" that should prevent its being used as a synonym for expect. Related: Anticipated; anticipating.
expect (v.): 1550s, "wait, defer action," from Latin expectare/exspectare "await, look out for; desire, hope, long for, anticipate; look for with anticipation," from ex- "thoroughly" (see ex-) + spectare "to look," frequentative of specere "to look at" (see scope (n.1)).

Figurative sense of "anticipate, look forward to" developed in Latin and is attested in English from c. 1600. Also from c. 1600 as "regard as about to happen." Meaning "count upon (to do something), trust or rely on" is from 1630s. Used since 1817 as a euphemism for "be pregnant." In the sense "suppose, reckon, suspect," it is attested from 1640s but was regarded as a New England provincialism. Related: Expected; expecting.
hope (v.): Old English hopian "wish, expect, look forward (to something)," of unknown origin, a general North Sea Germanic word (cognates: Old Frisian hopia, Middle Low German, Middle Dutch, Dutch hopen; Middle High German hoffen "to hope," borrowed from Low German). Some suggest a connection with hop (v.) on the notion of "leaping in expectation" [Klein]. Related: Hoped; hoping.
look (v.): Old English locian "use the eyes for seeing, gaze, look, behold, spy," from West Germanic *lokjan (cognates: Old Saxon lokon "see, look, spy," Middle Dutch loeken "to look," Old High German luogen, German dialectal lugen "to look out"), of unknown origin, perhaps cognate with Breton lagud "eye." In Old English, usually with on; the use of at began 14c. Meaning "seek, search out" is c. 1300; meaning "to have a certain appearance" is from c. 1400. Of objects, "to face in a certain direction," late 14c.

Look after "take care of" is from late 14c., earlier "to seek" (c. 1300), "to look toward" (c. 1200). Look into "investigate" is from 1580s; look up "research in books or papers" is from 1690s. To look down upon in the figurative sense is from 1711; to look down one's nose is from 1921. To look forward "anticipate" is c. 1600; meaning "anticipate with pleasure" is mid-19c. To not look back "make no pauses" is colloquial, first attested 1893. In look sharp (1711) sharp originally was an adverb, "sharply."
prospect (n.): early 15c., "act of looking into the distance," from Latin prospectus "distant view, look out; sight, faculty of sight," noun use of past participle of prospicere "look out on, look forward," from pro- "forward" (see pro-) + specere "look at" (see scope (n.1)). Meaning "extensive view of the landscape" is from 1530s; transferred sense of "mental view or survey" is from 1620s. Sense of "person or thing considered promising" is from 1922. Prospects "expectations, things looked forward to" is from 1660s.