"si" meaning in Old French

{
  "descendants": [
    {
      "lang": "French",
      "lang_code": "fr",
      "word": "si"
    },
    {
      "lang": "Norman",
      "lang_code": "nrf",
      "word": "si"
    }
  ],
  "etymology_links": [
    [
      "sic",
      "sic#Latin"
    ]
  ],
  "etymology_number": "1",
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "sic"
      },
      "expansion": "Latin sic",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin sic.",
  "forms": [
    {
      "form": "se",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "s'",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "adverbs"
      },
      "expansion": "si",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Old French entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
              2
            ]
          ],
          "english": "So he said to him quickly",
          "ref": "c. 1180, Chrétien de Troyes, Lancelot ou le Chevalier de la charrette:",
          "text": "Si li a dit eneslepas",
          "translation": "So he said to him quickly",
          "type": "quotation"
        }
      ],
      "glosses": [
        "so; thus; in such a way"
      ],
      "id": "en-si-fro-adv-04sEExxt",
      "links": [
        [
          "so",
          "so"
        ],
        [
          "thus",
          "thus"
        ]
      ]
    }
  ],
  "word": "si"
}

{
  "etymology_links": [
    [
      "se",
      "se#Old_French"
    ]
  ],
  "etymology_number": "2",
  "etymology_text": "See se.",
  "forms": [
    {
      "form": "se",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "s'",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "conjunctions"
      },
      "expansion": "si",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "conj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "if",
          "word": "se"
        }
      ],
      "glosses": [
        "alternative form of se (if)"
      ],
      "id": "en-si-fro-conj-O7Dw9Xzj",
      "links": [
        [
          "se",
          "se#Old_French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "si"
}

{
  "categories": [
    "Old French adverbs",
    "Old French conjunctions",
    "Old French entries with incorrect language header",
    "Old French lemmas",
    "Old French terms derived from Latin",
    "Old French terms inherited from Latin",
    "Pages with 110 entries",
    "Pages with entries",
    "Requests for inflections in Zou entries",
    "zom:Bodily fluids"
  ],
  "descendants": [
    {
      "lang": "French",
      "lang_code": "fr",
      "word": "si"
    },
    {
      "lang": "Norman",
      "lang_code": "nrf",
      "word": "si"
    }
  ],
  "etymology_links": [
    [
      "sic",
      "sic#Latin"
    ]
  ],
  "etymology_number": "1",
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "sic"
      },
      "expansion": "Latin sic",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin sic.",
  "forms": [
    {
      "form": "se",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "s'",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "adverbs"
      },
      "expansion": "si",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Old French terms with quotations"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
              2
            ]
          ],
          "english": "So he said to him quickly",
          "ref": "c. 1180, Chrétien de Troyes, Lancelot ou le Chevalier de la charrette:",
          "text": "Si li a dit eneslepas",
          "translation": "So he said to him quickly",
          "type": "quotation"
        }
      ],
      "glosses": [
        "so; thus; in such a way"
      ],
      "links": [
        [
          "so",
          "so"
        ],
        [
          "thus",
          "thus"
        ]
      ]
    }
  ],
  "word": "si"
}

{
  "categories": [
    "Old French conjunctions",
    "Old French entries with incorrect language header",
    "Old French lemmas",
    "Pages with 110 entries",
    "Pages with entries",
    "Requests for inflections in Zou entries",
    "zom:Bodily fluids"
  ],
  "etymology_links": [
    [
      "se",
      "se#Old_French"
    ]
  ],
  "etymology_number": "2",
  "etymology_text": "See se.",
  "forms": [
    {
      "form": "se",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "s'",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "conjunctions"
      },
      "expansion": "si",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "conj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "if",
          "word": "se"
        }
      ],
      "glosses": [
        "alternative form of se (if)"
      ],
      "links": [
        [
          "se",
          "se#Old_French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "si"
}