"єлиньнъ" meaning in Vieux slave

{
  "categories": [
    {
      "kind": "other",
      "name": "Dérivations en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en vieux slave suffixés avec -ьнъ",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux slave",
      "orig": "vieux slave",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Motdérivé de єлинъ, elinŭ, avec le suffixe -ьнъ, -ĭnŭ."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "єлинъ"
    },
    {
      "word": "єллинъ"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Grec (personne)."
      ],
      "id": "fr-єлиньнъ-cu-noun-6bVvX642"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "єлиньнъ"
}

{
  "categories": [
    "Dérivations en vieux slave",
    "Mots en vieux slave suffixés avec -ьнъ",
    "Noms communs en vieux slave",
    "vieux slave"
  ],
  "etymology_texts": [
    "Motdérivé de єлинъ, elinŭ, avec le suffixe -ьнъ, -ĭnŭ."
  ],
  "lang": "Vieux slave",
  "lang_code": "cu",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "єлинъ"
    },
    {
      "word": "єллинъ"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Grec (personne)."
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "єлиньнъ"
}