"онь" meaning in Mongolian

{
  "etymology_templates": [
    {
      "args": {
        "1": "mn",
        "2": "xng",
        "3": "ᠣᠨᠢ"
      },
      "expansion": "Middle Mongol ᠣᠨᠢ (oni)",
      "name": "inh"
    },
    {
      "args": {
        "1": "mn",
        "2": "xgn-pro",
        "3": "*oni",
        "4": "",
        "5": "hollow, notch"
      },
      "expansion": "Proto-Mongolic *oni (“hollow, notch”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Middle Mongol ᠣᠨᠢ (oni), from Proto-Mongolic *oni (“hollow, notch”).",
  "forms": [
    {
      "form": "onʹ",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ᠣᠨᠢ",
      "roman": "oni",
      "tags": [
        "Mongolian"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ᠣᠨᠢ"
      },
      "expansion": "онь • (onʹ) (Mongolian spelling ᠣᠨᠢ (oni))",
      "name": "mn-noun"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Mongolian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "arrow notch"
      ],
      "id": "en-онь-mn-noun-dJKb2vyr",
      "links": [
        [
          "arrow",
          "arrow"
        ],
        [
          "notch",
          "notch"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔnʲ/"
    },
    {
      "ipa": "[ɞ̙nʲ]"
    }
  ],
  "word": "онь"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mn",
        "2": "xng",
        "3": "ᠣᠨᠢ"
      },
      "expansion": "Middle Mongol ᠣᠨᠢ (oni)",
      "name": "inh"
    },
    {
      "args": {
        "1": "mn",
        "2": "xgn-pro",
        "3": "*oni",
        "4": "",
        "5": "hollow, notch"
      },
      "expansion": "Proto-Mongolic *oni (“hollow, notch”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Middle Mongol ᠣᠨᠢ (oni), from Proto-Mongolic *oni (“hollow, notch”).",
  "forms": [
    {
      "form": "onʹ",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ᠣᠨᠢ",
      "roman": "oni",
      "tags": [
        "Mongolian"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ᠣᠨᠢ"
      },
      "expansion": "онь • (onʹ) (Mongolian spelling ᠣᠨᠢ (oni))",
      "name": "mn-noun"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Mongolian 1-syllable words",
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian nouns",
        "Mongolian terms derived from Middle Mongol",
        "Mongolian terms derived from Proto-Mongolic",
        "Mongolian terms inherited from Middle Mongol",
        "Mongolian terms inherited from Proto-Mongolic",
        "Mongolian terms with IPA pronunciation",
        "Mongolian terms with redundant script codes"
      ],
      "glosses": [
        "arrow notch"
      ],
      "links": [
        [
          "arrow",
          "arrow"
        ],
        [
          "notch",
          "notch"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɔnʲ/"
    },
    {
      "ipa": "[ɞ̙nʲ]"
    }
  ],
  "word": "онь"
}