"Westermarck effect" meaning in English

{
  "etymology_text": "First hypothesized by Finnish anthropologist Edvard Westermarck (1862–1939) in his book The History of Human Marriage (1891).",
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "Westermarck effect",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "kind": "other",
          "name": "English entries with incorrect language header",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Incest",
          "orig": "en:Incest",
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            "Sex",
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            "Reproduction",
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            "Nature"
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          "source": "w"
        }
      ],
      "glosses": [
        "A hypothetical psychological effect through which people who live in close domestic proximity during the first few years of their lives become desensitized to later sexual attraction. It is one explanation for the incest taboo."
      ],
      "id": "en-Westermarck_effect-en-noun-LpBCDrj5",
      "links": [
        [
          "hypothetical",
          "hypothetical"
        ],
        [
          "psychological",
          "psychological"
        ],
        [
          "effect",
          "effect"
        ],
        [
          "domestic",
          "domestic"
        ],
        [
          "proximity",
          "proximity"
        ],
        [
          "desensitize",
          "desensitize"
        ],
        [
          "sexual",
          "sexual"
        ],
        [
          "attraction",
          "attraction"
        ],
        [
          "incest",
          "incest"
        ],
        [
          "taboo",
          "taboo"
        ]
      ],
      "related": [
        {
          "word": "genetic sexual attraction"
        }
      ],
      "wikipedia": [
        "Edvard Westermarck",
        "Westermarck effect"
      ]
    }
  ],
  "word": "Westermarck effect"
}

{
  "etymology_text": "First hypothesized by Finnish anthropologist Edvard Westermarck (1862–1939) in his book The History of Human Marriage (1891).",
  "head_templates": [
    {
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      "expansion": "Westermarck effect",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "genetic sexual attraction"
    }
  ],
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        "en:Family",
        "en:Incest"
      ],
      "glosses": [
        "A hypothetical psychological effect through which people who live in close domestic proximity during the first few years of their lives become desensitized to later sexual attraction. It is one explanation for the incest taboo."
      ],
      "links": [
        [
          "hypothetical",
          "hypothetical"
        ],
        [
          "psychological",
          "psychological"
        ],
        [
          "effect",
          "effect"
        ],
        [
          "domestic",
          "domestic"
        ],
        [
          "proximity",
          "proximity"
        ],
        [
          "desensitize",
          "desensitize"
        ],
        [
          "sexual",
          "sexual"
        ],
        [
          "attraction",
          "attraction"
        ],
        [
          "incest",
          "incest"
        ],
        [
          "taboo",
          "taboo"
        ]
      ],
      "wikipedia": [
        "Edvard Westermarck",
        "Westermarck effect"
      ]
    }
  ],
  "word": "Westermarck effect"
}