| 词汇 | bittern |
| 词根词缀 | 词源： 13c., botor, from O.Fr. butor, from Gallo-Romance *butitaurus, from L. butionem "bittern" + taurus "bull" (see steer (n.)); according to Pliny, so called because of its booming voice, but this seems fanciful. |
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