"아ᅀᆞ" meaning in Middle Korean

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "jje",
            "2": "아시"
          },
          "expansion": "Jeju: 아시 (asi)",
          "name": "desc"
        }
      ],
      "text": "Jeju: 아시 (asi)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ko",
            "2": "아우"
          },
          "expansion": "Korean: 아우 (au)",
          "name": "desc"
        }
      ],
      "text": "Korean: 아우 (au)"
    }
  ],
  "forms": [
    {
      "form": "àzò",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "아ᇫㅇ",
      "roman": "àzG-",
      "tags": [
        "connective"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "okm",
        "2": "noun",
        "3": "connective",
        "4": "아ᇫㅇ",
        "f1tr": "àzG-",
        "tr": "àzò"
      },
      "expansion": "아ᅀᆞ (àzò) (connective 아ᇫㅇ (àzG-))",
      "name": "head"
    }
  ],
  "lang": "Middle Korean",
  "lang_code": "okm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle Korean links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Middle Korean terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "okm",
          "name": "Family members",
          "orig": "okm:Family members",
          "parents": [
            "Family",
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "okm",
          "name": "Male people",
          "orig": "okm:Male people",
          "parents": [
            "Male",
            "People",
            "Gender",
            "Human",
            "Biology",
            "Psychology",
            "Sociology",
            "All topics",
            "Sciences",
            "Social sciences",
            "Fundamental",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a man's younger brother"
      ],
      "id": "en-아ᅀᆞ-okm-noun-fG3vWnd0",
      "links": [
        [
          "younger brother",
          "younger brother"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/à.zʌ̀/"
    }
  ],
  "word": "아ᅀᆞ"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "jje",
            "2": "아시"
          },
          "expansion": "Jeju: 아시 (asi)",
          "name": "desc"
        }
      ],
      "text": "Jeju: 아시 (asi)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ko",
            "2": "아우"
          },
          "expansion": "Korean: 아우 (au)",
          "name": "desc"
        }
      ],
      "text": "Korean: 아우 (au)"
    }
  ],
  "forms": [
    {
      "form": "àzò",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "아ᇫㅇ",
      "roman": "àzG-",
      "tags": [
        "connective"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "okm",
        "2": "noun",
        "3": "connective",
        "4": "아ᇫㅇ",
        "f1tr": "àzG-",
        "tr": "àzò"
      },
      "expansion": "아ᅀᆞ (àzò) (connective 아ᇫㅇ (àzG-))",
      "name": "head"
    }
  ],
  "lang": "Middle Korean",
  "lang_code": "okm",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Middle Korean entries with incorrect language header",
        "Middle Korean lemmas",
        "Middle Korean links with redundant wikilinks",
        "Middle Korean nouns",
        "Middle Korean terms with IPA pronunciation",
        "Middle Korean terms with non-redundant manual transliterations",
        "okm:Family members",
        "okm:Male people"
      ],
      "glosses": [
        "a man's younger brother"
      ],
      "links": [
        [
          "younger brother",
          "younger brother"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/à.zʌ̀/"
    }
  ],
  "word": "아ᅀᆞ"
}