"castor" meaning in French

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      "expansion": "Middle French castor",
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  "etymology_text": "Inherited from Middle French castor, from Old French castor, borrowed from Latin castor, itself from Ancient Greek κάστωρ (kástōr). Though borrowed into French early on, the word remained a more learned term at first, while bièvre was the popular synonym.",
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          "word": "castor commun"
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        "beaver (aquatic mammal)"
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          "word": "bièvre"
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      "ipa": "/kas.tɔʁ/"
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      "homophone": "castors"
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      "word": "castor commun"
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      "word": "castor d’Eurasie"
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    {
      "word": "castor d’Europe"
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        "3": "castor"
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        "beaver (aquatic mammal)"
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