"-ոյն" meaning in Old Armenian

{
  "etymology_text": "From the genitive-dative ending -ոյ (-oy) + -ն (-n). Compare գիշերոյ (gišeroy) → գիշերոյն (gišeroyn).",
  "forms": [
    {
      "form": "-oyn",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "xcl",
        "2": "suffix",
        "head": "",
        "sort": "ոյն",
        "tr": ""
      },
      "expansion": "-ոյն • (-oyn)",
      "name": "head"
    },
    {
      "args": {
        "sort": "ոյն"
      },
      "expansion": "-ոյն • (-oyn)",
      "name": "xcl-suffix"
    }
  ],
  "lang": "Old Armenian",
  "lang_code": "xcl",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Armenian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Armenian terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "forming adverbs"
      ],
      "id": "en--ոյն-xcl-suffix-so1GSMMC",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ոյն"
}

{
  "etymology_text": "From the genitive-dative ending -ոյ (-oy) + -ն (-n). Compare գիշերոյ (gišeroy) → գիշերոյն (gišeroyn).",
  "forms": [
    {
      "form": "-oyn",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "xcl",
        "2": "suffix",
        "head": "",
        "sort": "ոյն",
        "tr": ""
      },
      "expansion": "-ոյն • (-oyn)",
      "name": "head"
    },
    {
      "args": {
        "sort": "ոյն"
      },
      "expansion": "-ոյն • (-oyn)",
      "name": "xcl-suffix"
    }
  ],
  "lang": "Old Armenian",
  "lang_code": "xcl",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Old Armenian entries with incorrect language header",
        "Old Armenian lemmas",
        "Old Armenian suffixes",
        "Old Armenian terms with redundant sortkeys",
        "Pages with 1 entry"
      ],
      "glosses": [
        "forming adverbs"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ոյն"
}