"sin" meaning in Middle English

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      "expansion": "sin",
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  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "conj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sithen"
        }
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      ],
      "glosses": [
        "Alternative form of sithen"
      ],
      "id": "en-sin-enm-conj-nIw6BQS1",
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        [
          "sithen",
          "sithen#Middle_English"
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  ],
  "word": "sin"
}

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      "expansion": "sin",
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  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "synne"
        }
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      "glosses": [
        "Alternative form of synne"
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      "id": "en-sin-enm-noun-T7yxQl7g",
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        [
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          "synne#Middle_English"
        ]
      ],
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    }
  ],
  "word": "sin"
}

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  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "conj",
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        "Alternative form of sithen"
      ],
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  "word": "sin"
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  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "noun",
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    {
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          "word": "synne"
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      ],
      "glosses": [
        "Alternative form of synne"
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  "word": "sin"
}