"Altostslawisch" meaning in German

{
  "etymology_templates": [
    {
      "args": {
        "1": "de",
        "2": "alt",
        "3": "Ostslawisch",
        "gloss1": "old",
        "gloss2": "East Slavic"
      },
      "expansion": "alt (“old”) + Ostslawisch (“East Slavic”)",
      "name": "compound"
    }
  ],
  "etymology_text": "alt (“old”) + Ostslawisch (“East Slavic”)",
  "forms": [
    {
      "form": "Altostslawisch",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "Altostslawischs",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "Altostslawische",
      "raw_tags": [
        "used with the definite article"
      ],
      "tags": [
        "alternative",
        "nominative"
      ]
    },
    {
      "form": "Altostslawischen",
      "tags": [
        "alternative",
        "genitive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "langname"
      },
      "expansion": "Altostslawisch n (proper noun, language name, genitive Altostslawisch or Altostslawischs, alternative nominative (used with the definite article) Altostslawische, alternative genitive Altostslawischen, no plural)",
      "name": "de-proper noun"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "German specially-declined language names",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "de",
          "name": "Languages",
          "orig": "de:Languages",
          "parents": [
            "Language",
            "Names",
            "Communication",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Old East Slavic (the Old East Slavic language)"
      ],
      "id": "en-Altostslawisch-de-name-SaHRJ3jb",
      "links": [
        [
          "Old East Slavic",
          "Old East Slavic"
        ]
      ],
      "related": [
        {
          "word": "altostslawisch"
        },
        {
          "word": "ostslawisch"
        },
        {
          "word": "slawisch"
        }
      ],
      "synonyms": [
        {
          "word": "altostslawische Sprache"
        }
      ],
      "tags": [
        "neuter",
        "no-plural",
        "proper-noun"
      ],
      "wikipedia": [
        "de:altostslawische Sprache"
      ]
    }
  ],
  "word": "Altostslawisch"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "de",
        "2": "alt",
        "3": "Ostslawisch",
        "gloss1": "old",
        "gloss2": "East Slavic"
      },
      "expansion": "alt (“old”) + Ostslawisch (“East Slavic”)",
      "name": "compound"
    }
  ],
  "etymology_text": "alt (“old”) + Ostslawisch (“East Slavic”)",
  "forms": [
    {
      "form": "Altostslawisch",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "Altostslawischs",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "Altostslawische",
      "raw_tags": [
        "used with the definite article"
      ],
      "tags": [
        "alternative",
        "nominative"
      ]
    },
    {
      "form": "Altostslawischen",
      "tags": [
        "alternative",
        "genitive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "langname"
      },
      "expansion": "Altostslawisch n (proper noun, language name, genitive Altostslawisch or Altostslawischs, alternative nominative (used with the definite article) Altostslawische, alternative genitive Altostslawischen, no plural)",
      "name": "de-proper noun"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "name",
  "related": [
    {
      "word": "altostslawisch"
    },
    {
      "word": "ostslawisch"
    },
    {
      "word": "slawisch"
    }
  ],
  "senses": [
    {
      "categories": [
        "German compound terms",
        "German entries with incorrect language header",
        "German lemmas",
        "German neuter nouns",
        "German proper nouns",
        "German specially-declined language names",
        "Pages with 1 entry",
        "Pages with entries",
        "de:Languages"
      ],
      "glosses": [
        "Old East Slavic (the Old East Slavic language)"
      ],
      "links": [
        [
          "Old East Slavic",
          "Old East Slavic"
        ]
      ],
      "synonyms": [
        {
          "word": "altostslawische Sprache"
        }
      ],
      "tags": [
        "neuter",
        "no-plural",
        "proper-noun"
      ],
      "wikipedia": [
        "de:altostslawische Sprache"
      ]
    }
  ],
  "word": "Altostslawisch"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: language name",
  "path": [
    "Altostslawisch"
  ],
  "section": "German",
  "subsection": "proper noun",
  "title": "Altostslawisch",
  "trace": ""
}