"Castelletum" meaning in Latin

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "fro",
        "3": "chastelet",
        "t": "little castle"
      },
      "expansion": "Old French chastelet (“little castle”)",
      "name": "bor"
    },
    {
      "args": {
        "1": "la",
        "2": "castellum"
      },
      "expansion": "castellum",
      "name": "m"
    }
  ],
  "etymology_text": "Borrowed from Old French chastelet (“little castle”), altered to the form of the etymological castellum, and used as a proper noun.",
  "forms": [
    {
      "form": "Castelletī",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "la-ndecl",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "Castelletum",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "Castelletī",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "Castelletō",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "Castelletum",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "Castelletō",
      "source": "declension",
      "tags": [
        "ablative",
        "singular"
      ]
    },
    {
      "form": "Castelletum",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "Castelletum<2>"
      },
      "expansion": "Castelletum n sg (genitive Castelletī); second declension",
      "name": "la-proper noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "Castelletum<2>"
      },
      "name": "la-ndecl"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin neuter nouns in the second declension",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Medieval Latin",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "the Grand Châtelet of Paris"
      ],
      "id": "en-Castelletum-la-name-plbwoO8w",
      "meronyms": [
        {
          "word": "Barbara"
        }
      ],
      "raw_glosses": [
        "(Medieval Latin) the Grand Châtelet of Paris"
      ],
      "tags": [
        "Medieval-Latin",
        "declension-2",
        "neuter",
        "singular"
      ]
    }
  ],
  "word": "Castelletum"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "fro",
        "3": "chastelet",
        "t": "little castle"
      },
      "expansion": "Old French chastelet (“little castle”)",
      "name": "bor"
    },
    {
      "args": {
        "1": "la",
        "2": "castellum"
      },
      "expansion": "castellum",
      "name": "m"
    }
  ],
  "etymology_text": "Borrowed from Old French chastelet (“little castle”), altered to the form of the etymological castellum, and used as a proper noun.",
  "forms": [
    {
      "form": "Castelletī",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "la-ndecl",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "Castelletum",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "Castelletī",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "Castelletō",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "Castelletum",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "Castelletō",
      "source": "declension",
      "tags": [
        "ablative",
        "singular"
      ]
    },
    {
      "form": "Castelletum",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "Castelletum<2>"
      },
      "expansion": "Castelletum n sg (genitive Castelletī); second declension",
      "name": "la-proper noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "Castelletum<2>"
      },
      "name": "la-ndecl"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "meronyms": [
    {
      "word": "Barbara"
    }
  ],
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Latin entries with incorrect language header",
        "Latin lemmas",
        "Latin neuter nouns",
        "Latin neuter nouns in the second declension",
        "Latin nouns with red links in their inflection tables",
        "Latin proper nouns",
        "Latin second declension nouns",
        "Latin terms borrowed from Old French",
        "Latin terms derived from Old French",
        "Medieval Latin"
      ],
      "glosses": [
        "the Grand Châtelet of Paris"
      ],
      "raw_glosses": [
        "(Medieval Latin) the Grand Châtelet of Paris"
      ],
      "tags": [
        "Medieval-Latin",
        "declension-2",
        "neuter",
        "singular"
      ]
    }
  ],
  "word": "Castelletum"
}

{
  "called_from": "linkages/371",
  "msg": "unrecognized linkage prefix: (Grand Châtelet): Barbara desc=Grand Châtelet rest=Barbara cls=romanization cls2=english e1=False e2=True",
  "path": [
    "Castelletum"
  ],
  "section": "Latin",
  "subsection": "proper noun",
  "title": "Castelletum",
  "trace": ""
}