英语词汇tryptophan的起源、历史背景-英语词源词典

词汇	tryptophan
词源	tryptophan n. also tryptophane, complex amino acid, 1890, coined in German (1876) from trypto-, taken as a combining form of tryptic "by trypsin" (see trypsin) + Greek phainein "bring to light, cause to appear, show" (from PIE root bha- (1) "to shine"). Entries linking to tryptophan* tryptic adj. 1877, from trypsin + -ic (compare pepsin/peptic). trypsin n. chief digestive enzyme of pancreatic juice, 1876, coined 1874 by German physiologist Wilhelm Friedrich Kühne (1837-1900), apparently from Greek tripsis "rubbing, friction" (from tribein "to rub, rub down, wear away," from PIE root tere- (1) "to rub, turn") + chemical suffix -in (2). Said to be so called because it first was obtained (in 1862) by rubbing the pancreas with glycerin. tryptic (adj.)trypsin (n.)bha- (1)*tere- (1) updated on October 18, 2017
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tryptophan n.