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Dalek [Dalek 词源字典]: Dalek: [20] The name of these pathologically destructive robots, which first appeared on BBC TV’s Dr Who in 1963, was coined by their creator, Terry Nation. The story went about that he had come up with it one day while staring in a library at the spine of an encyclopedia volume covering entries from DA to LEK, but he has subsequently denied this.
[Dalek etymology, Dalek origin, 英语词源]
penguin: penguin: [16] Penguin is one of the celebrated mystery words of English etymology. It first appears towards the end of the 16th century (referring to the ‘great auk’ as well as to the ‘penguin’) in accounts of voyages to the southern oceans, but no one has ever ascertained where it came from. A narrative of 1582 noted ‘The countrymen call them Penguins (which seemeth to be a Welsh name)’, and in 1613 John Selden speculated that the name came from Welsh pen gwyn ‘white head’.

Etymologists since have not been able to come up with a better guess than this, but it is at odds with the fact that the great auk had a mainly black head, and so do penguins. The earliest known reference to the word (from 1578) mentions the birds being found on an ‘island named Penguin’, off Newfoundland, so it could be that it was originally the name of the island (perhaps ‘white (i.e. snow-covered) headland’) rather than of the bird.

However, a further objection to this theory is that a combination based on Welsh pen gwyn would have produced penwyn, not penguin.
adept (adj.): 1690s, "completely skilled" from Latin adeptus "having reached, attained," past participle of adipisci "to come up with, arrive at," figuratively "to attain to, acquire," from ad- "to" (see ad-) + apisci "grasp, attain," related to aptus "fitted" (see apt). Related: Adeptly.
draw (v.): c. 1200, spelling alteration of Old English dragan "to drag, to draw, protract" (class VI strong verb; past tense drog, past participle dragen), from Proto-Germanic *dragan "to draw, pull" (cognates: Old Norse draga "to draw," Old Saxon dragan, Old Frisian draga, Middle Dutch draghen, Old High German tragen, German tragen "to carry, bear"), from PIE root *dhragh- (see drag (v.)).

Sense of "make a line or figure" (by "drawing" a pencil across paper) is c. 1200. Meaning "pull out a weapon" is c. 1200. To draw a criminal (drag him from a horse to place of execution) is from early 14c. To draw a blank "come up with nothing" (1825) is an image from lotteries. As a noun, from 1660s; colloquial sense of "anything that can draw a crowd" is from 1881 (the verb in this sense is 1580s).
neo-conservative (n.): also neoconservative; used in the modern sense by 1979:
My Republican vote [in the 1972 presidential election] produced little shock waves in the New York intellectual community. It didn't take long - a year or two - for the socialist writer Michael Harrington to come up with the term "neoconservative" to describe a renegade liberal like myself. To the chagrin of some of my friends, I decided to accept that term; there was no point calling myself a liberal when no one else did. [Irving Kristol, "Forty Good Years," "The Public Interest," Spring 2005]
The term is attested from 1960, but it originally often was applied to Russell Kirk and his followers, who would be philosophically opposed to the later neocons. From neo- + conservative.
stipulation (n.): 1550s, "a commitment or activity to do something" (now obsolete), from Latin stipulationem (nominative stipulatio), noun of action from past participle stem of stipulari "exact a promise, engage, bargain," of uncertain origin. Traditionally said to be from Latin stipula "stalk, straw" (see stipule) in reference to some obscure symbolic act; this is rejected by most authorities, who, however, have not come up with a better guess. Meaning "act of specifying one of the terms of a contract or agreement" is recorded from 1750. Meaning "that which is stipulated or agreed upon" is from 1802.