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erase [erase 词源字典]: erase: [17] Like abrade, rascal, rase and razor, erase comes ultimately from Latin rādere ‘scrape’. This formed the basis of a compound verb ērādere ‘scrape out, scrape off’ (its first element is the Latin prefix ex- ‘out’). Eraser ‘rubber’ seems to be a 19th-century coinage.
=> abrade, rascal, rase, razor[erase etymology, erase origin, 英语词源]
pederast: pederast: see page
Amerasian: 1966, noun and adjective, from American + Asian; coined in reference to children fathered by U.S. servicemen stationed in Asia during the Cold War.
erasable (adj.): 1829, from erase + -able.
erase (v.): c. 1600, from Latin erasus, past participle of eradere "scrape out, scrape off, shave; abolish, remove," from assimilated form of ex- "out" (see ex-) + radere "to scrape" (see raze). Of magnetic tape, from 1945. Related: Erased; erasing.
eraser (n.): "thing that erases writing," 1790, American English, agent noun from erase. Originally a knife for scraping off the ink. As a rubber product for removing pencil marks, from 1858.
Erasmus: masc. proper name, Latin, literally "beloved;" related to Greek erasmios "lovely, pleasant," from eran "to love" (see Eros). Related: Erasmian.
Erastus: masc. proper name, Latin, literally "beloved," from Greek erastos, verbal adjective of eran "to love" (see Eros).
erasure (n.): "an erasing, an obliterating," 1734, from erase + -ure.
luciferase (n.): supposed enzyme found in fireflies and other glowing creatures, 1888, from French luciférase; see Lucifer. Related: Luciferin.
paederasty (n.): see pederasty.
pederast (n.): 1730s, from French pédéraste, from Latin paederasta, from Greek paiderastes "a lover of boys" (see pederasty).
pederasty (n.): "sodomy of a man with a boy," c. 1600, from French pédérastie or directly from Modern Latin pæderastia, from Greek paiderastia "love of boys," from paiderastes "pederast, lover of boys," from pais (genitive paidos) "child, boy" (see pedo-) + erastes "lover," from erasthai "to love" (see Eros).
polymerase (n.): 1866, coined by Berzelius (1830) from Greek polymeres "having many parts" (see polymer).
xerasia (n.): "excessive dryness of hair," 1706, medical Latin, from Greek xerasia "dryness," from xeros "dry, withered," from PIE *ksero- "dry."
agerasia: "The quality of not growing old; the non-appearance of the signs of age", Early 18th cent.; earliest use found in Phillips's New World of Words. From post-classical Latin agerasia from Hellenistic Greek ἀγηρασία eternal youth (Galen) from ancient Greek ἀ- + γῆρας old age + -ία.
acetyltransferase: "Any of a group of enzymes which bring about the transfer of acetyl groups from one molecule to another", 1960s; earliest use found in Journal of Biological Chemistry. From acetyl + transferase.