"astronomical years" meaning in All languages combined

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "word": "astronomical year"
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        "plural of astronomical year"
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      "id": "en-astronomical_years-en-noun-gzjTkQX3",
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          "astronomical year",
          "astronomical year#English"
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      "expansion": "astronomical years",
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  "word": "astronomical years"
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