"дєсѧтєръ" meaning in Vieux slave

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs numéraux en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux slave",
      "orig": "vieux slave",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "desaterý"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "desatero"
    }
  ],
  "etymology_texts": [
    "De дєсѧть et -єръ."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "adj",
  "pos_title": "Adjectif numéral",
  "related": [
    {
      "word": "дєсѧторъ"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Un groupe de dix, une quantité de dix."
      ],
      "id": "fr-дєсѧтєръ-cu-adj-iAKiFwkj"
    }
  ],
  "tags": [
    "collective",
    "masculine",
    "numeral"
  ],
  "word": "дєсѧтєръ"
}

{
  "categories": [
    "Adjectifs numéraux en vieux slave",
    "vieux slave"
  ],
  "derived": [
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "desaterý"
    },
    {
      "lang": "Tchèque",
      "lang_code": "cs",
      "word": "desatero"
    }
  ],
  "etymology_texts": [
    "De дєсѧть et -єръ."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "adj",
  "pos_title": "Adjectif numéral",
  "related": [
    {
      "word": "дєсѧторъ"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Un groupe de dix, une quantité de dix."
      ]
    }
  ],
  "tags": [
    "collective",
    "masculine",
    "numeral"
  ],
  "word": "дєсѧтєръ"
}