"u" meaning in Old French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "frm",
            "2": "ou"
          },
          "expansion": "Middle French: ou",
          "name": "desc"
        }
      ],
      "text": "Middle French: ou"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "où"
          },
          "expansion": "French: où",
          "name": "desc"
        }
      ],
      "text": "French: où"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "ubi"
      },
      "expansion": "Latin ubi",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin ubi.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "adverbs",
        "3": "",
        "head": ""
      },
      "expansion": "u",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "u",
      "name": "fro-adv"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "where",
          "word": "ou"
        }
      ],
      "categories": [
        {
          "_dis": "100 0 0",
          "kind": "other",
          "name": "Old French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "As soon as Richard knew about it, he sent a spy\nto know where Thibalt was, and how many people he had with him.",
          "ref": "c. 1170, Wace, Le Roman de Rou",
          "roman": "Saveir u Thiebaut ert, e combien gent il a.",
          "text": "Dez ke Richart le sout, un espie enveia",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of ou (“where”)"
      ],
      "id": "en-u-fro-adv-yY5V4bzy",
      "links": [
        [
          "ou",
          "ou#Old French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "u"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "u"
      },
      "expansion": "Latin u",
      "name": "inh"
    },
    {
      "args": {
        "1": "la",
        "2": "v"
      },
      "expansion": "v",
      "name": "m"
    }
  ],
  "etymology_text": "From Latin u, v.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "letters"
      },
      "expansion": "u",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "character",
  "senses": [
    {
      "glosses": [
        "u (letter)"
      ],
      "id": "en-u-fro-character-Q5Syjrap",
      "links": [
        [
          "u",
          "u#Translingual"
        ]
      ],
      "tags": [
        "letter"
      ]
    },
    {
      "glosses": [
        "v (letter)"
      ],
      "id": "en-u-fro-character-hD5Czx~R",
      "links": [
        [
          "v",
          "v#Translingual"
        ]
      ],
      "tags": [
        "letter"
      ]
    }
  ],
  "word": "u"
}

{
  "categories": [
    "Old French adverbs",
    "Old French entries with incorrect language header",
    "Old French lemmas",
    "Old French letters",
    "Old French terms derived from Latin",
    "Old French terms inherited from Latin",
    "Pages with raw sortkeys"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "frm",
            "2": "ou"
          },
          "expansion": "Middle French: ou",
          "name": "desc"
        }
      ],
      "text": "Middle French: ou"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "où"
          },
          "expansion": "French: où",
          "name": "desc"
        }
      ],
      "text": "French: où"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "ubi"
      },
      "expansion": "Latin ubi",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin ubi.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "adverbs",
        "3": "",
        "head": ""
      },
      "expansion": "u",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "u",
      "name": "fro-adv"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "where",
          "word": "ou"
        }
      ],
      "categories": [
        "Old French terms with quotations"
      ],
      "examples": [
        {
          "english": "As soon as Richard knew about it, he sent a spy\nto know where Thibalt was, and how many people he had with him.",
          "ref": "c. 1170, Wace, Le Roman de Rou",
          "roman": "Saveir u Thiebaut ert, e combien gent il a.",
          "text": "Dez ke Richart le sout, un espie enveia",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of ou (“where”)"
      ],
      "links": [
        [
          "ou",
          "ou#Old French"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "u"
}

{
  "categories": [
    "Old French entries with incorrect language header",
    "Old French lemmas",
    "Old French letters",
    "Old French terms derived from Latin",
    "Old French terms inherited from Latin",
    "Pages with raw sortkeys"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "u"
      },
      "expansion": "Latin u",
      "name": "inh"
    },
    {
      "args": {
        "1": "la",
        "2": "v"
      },
      "expansion": "v",
      "name": "m"
    }
  ],
  "etymology_text": "From Latin u, v.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "letters"
      },
      "expansion": "u",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "character",
  "senses": [
    {
      "glosses": [
        "u (letter)"
      ],
      "links": [
        [
          "u",
          "u#Translingual"
        ]
      ],
      "tags": [
        "letter"
      ]
    },
    {
      "glosses": [
        "v (letter)"
      ],
      "links": [
        [
          "v",
          "v#Translingual"
        ]
      ],
      "tags": [
        "letter"
      ]
    }
  ],
  "word": "u"
}