"backdated" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
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        {
          "ref": "2023 March 8, Mel Holley, “Network News: TSSA accepts offer, but RMT sets new strike dates”, in RAIL, number 978, page 11:",
          "text": "It means that TSSA members in general and management grades will receive a backdated pay rise of 5% for 2022 (or a minimum increase of £1,750, whichever is greater), and 4% for 2023.",
          "type": "quote"
        }
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      "form_of": [
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          "word": "backdate"
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      "glosses": [
        "simple past and past participle of backdate"
      ],
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          "backdate#English"
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      "tags": [
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  "word": "backdated"
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
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      "examples": [
        {
          "ref": "2023 March 8, Mel Holley, “Network News: TSSA accepts offer, but RMT sets new strike dates”, in RAIL, number 978, page 11:",
          "text": "It means that TSSA members in general and management grades will receive a backdated pay rise of 5% for 2022 (or a minimum increase of £1,750, whichever is greater), and 4% for 2023.",
          "type": "quote"
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      "form_of": [
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  "word": "backdated"
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