"latin" meaning in Old French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "frm",
            "2": "latin"
          },
          "expansion": "Middle French: latin",
          "name": "desc"
        }
      ],
      "text": "Middle French: latin"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "latin"
          },
          "expansion": "French: latin",
          "name": "desc"
        }
      ],
      "text": "French: latin"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "latīnus"
      },
      "expansion": "Latin latīnus",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin latīnus.",
  "forms": [
    {
      "form": "latin oblique singular or",
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "latins",
      "tags": [
        "nominative",
        "singular"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "latin oblique singular, m (nominative singular latins)",
      "name": "fro-noun"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 16 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fro",
          "name": "Languages",
          "orig": "fro:Languages",
          "parents": [
            "Language",
            "Names",
            "Communication",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I am very sad about it, Saladin\nFor neither in French nor in Latin\nHave I stopped praying",
          "ref": "c. 1250, Rutebeuf, Ci commence le miracle de Théophile:",
          "text": "S'en sui plus dolenz, Salatin,\nQuar en françois ne en latin\nNe finai onques de proier",
          "type": "quote"
        }
      ],
      "glosses": [
        "Latin language"
      ],
      "id": "en-latin-fro-noun-N9ch1Ouo",
      "links": [
        [
          "Latin",
          "Latin"
        ]
      ]
    }
  ],
  "word": "latin"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "frm",
            "2": "latin"
          },
          "expansion": "Middle French: latin",
          "name": "desc"
        }
      ],
      "text": "Middle French: latin"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "latin"
          },
          "expansion": "French: latin",
          "name": "desc"
        }
      ],
      "text": "French: latin"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "latīnus"
      },
      "expansion": "Latin latīnus",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Latin latīnus.",
  "forms": [
    {
      "form": "latin oblique singular or",
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "latins",
      "tags": [
        "nominative",
        "singular"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "latin oblique singular, m (nominative singular latins)",
      "name": "fro-noun"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Old French entries with incorrect language header",
        "Old French lemmas",
        "Old French masculine nouns",
        "Old French nouns",
        "Old French terms borrowed from Latin",
        "Old French terms derived from Latin",
        "Old French terms with quotations",
        "Old French uncountable nouns",
        "Pages with 16 entries",
        "Pages with entries",
        "fro:Languages"
      ],
      "examples": [
        {
          "english": "I am very sad about it, Saladin\nFor neither in French nor in Latin\nHave I stopped praying",
          "ref": "c. 1250, Rutebeuf, Ci commence le miracle de Théophile:",
          "text": "S'en sui plus dolenz, Salatin,\nQuar en françois ne en latin\nNe finai onques de proier",
          "type": "quote"
        }
      ],
      "glosses": [
        "Latin language"
      ],
      "links": [
        [
          "Latin",
          "Latin"
        ]
      ]
    }
  ],
  "word": "latin"
}

{
  "called_from": "form_descriptions/1089",
  "msg": "suspicious unhandled suffix in Old French: 'latin oblique singular or', originally 'latin oblique singular or m'",
  "path": [
    "latin"
  ],
  "section": "Old French",
  "subsection": "noun",
  "title": "latin",
  "trace": ""
}

{
  "called_from": "form_descriptions/1089",
  "msg": "suspicious unhandled suffix in Old French: 'latin oblique singular or', originally 'latin oblique singular or m'",
  "path": [
    "latin"
  ],
  "section": "Old French",
  "subsection": "noun",
  "title": "latin",
  "trace": ""
}

{
  "called_from": "form_descriptions/1147",
  "msg": "suspicious related form tags ['masculine', 'canonical']: 'latin oblique singular or' in 'latin oblique singular, m (nominative singular latins)'",
  "path": [
    "latin"
  ],
  "section": "Old French",
  "subsection": "noun",
  "title": "latin",
  "trace": ""
}