| 词汇 | cod |
| 词根词缀 | 词源： 1273, cotfish, origin unknown; despite similarity of form it has no conclusive connection to the widespread Gmc. word for "bag" (cf. O.E. codd, source of codpiece, q.v.). Cod-liver oil known since at least 1615, recommended medicinally since 1783, but not popular as a remedy until after 1825. |
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