"-ина" meaning in Vieux slave

{
  "categories": [
    {
      "kind": "other",
      "name": "Suffixes en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux slave",
      "orig": "vieux slave",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Féminin de -инъ, -ьнъ."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "raw_tags": [
    "-ina"
  ],
  "senses": [
    {
      "glosses": [
        "Suffixe nominal."
      ],
      "id": "fr--ина-cu-suffix-bf3ARelr"
    }
  ],
  "tags": [
    "feminine",
    "morpheme"
  ],
  "word": "-ина"
}

{
  "categories": [
    "Suffixes en vieux slave",
    "vieux slave"
  ],
  "etymology_texts": [
    "Féminin de -инъ, -ьнъ."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "raw_tags": [
    "-ina"
  ],
  "senses": [
    {
      "glosses": [
        "Suffixe nominal."
      ]
    }
  ],
  "tags": [
    "feminine",
    "morpheme"
  ],
  "word": "-ина"
}