| 词汇 | bleach |
| 词根词缀 | 词源： bleach (v.) O.E. blæcan "bleach, whiten," from P.Gmc. *blaikjan "to make white" (cf. O.S. blek, O.N. bleikr, Du. bleek, O.H.G. bleih, Ger. bleich "pale;" O.N. bleikja, Du. bleken, Ger. bleichen "to bleach"), from PIE base *bhel- (1) "to shine, flash, burn" (cf. Skt. bhrajate "shines;" Gk. phlegein "to burn;" L. flamma "flame," fulmen "lightning," fulgere "to shine, flash," flagrare "to burn;" O.C.S. belu "white;" Lith. balnas "pale"). The same root probably produced black; perhaps because both black and white are colorless, or because both are associated with burning. The noun meaning "a bleaching agent" is recorded from 1898. |
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