"ыкын" meaning in Nivkh

{
  "etymology_templates": [
    {
      "args": {
        "1": "tuw-pro",
        "2": "*ake"
      },
      "expansion": "*ake",
      "name": "m"
    },
    {
      "args": {
        "1": "evn",
        "2": "акин"
      },
      "expansion": "Evenki акин (akin)",
      "name": "cog"
    },
    {
      "args": {
        "1": "xgn-pro",
        "2": "*aka"
      },
      "expansion": "*aka",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "ах"
      },
      "expansion": "Mongolian ах (ax)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ain",
        "2": "アㇰ",
        "gloss": "younger brother",
        "tr": "ak"
      },
      "expansion": "アㇰ (ak, “younger brother”)",
      "name": "m"
    }
  ],
  "etymology_text": "Earlier (*akan). Maybe related to *ake, compare Evenki акин (akin), Mongolic *aka, compare Mongolian ах (ax), and also Ainu アㇰ (ak, “younger brother”).",
  "forms": [
    {
      "form": "əkən",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "niv",
        "2": "noun"
      },
      "expansion": "ыкын (əkən)",
      "name": "head"
    }
  ],
  "lang": "Nivkh",
  "lang_code": "niv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Amur Nivkh",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Nivkh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "niv",
          "name": "Family",
          "orig": "niv:Family",
          "parents": [
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "niv",
          "name": "Male",
          "orig": "niv:Male",
          "parents": [
            "Gender",
            "Biology",
            "Psychology",
            "Sociology",
            "Sciences",
            "Social sciences",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "elder brother; big brother"
      ],
      "id": "en-ыкын-niv-noun-scZA~7j8",
      "links": [
        [
          "elder brother",
          "elder brother"
        ],
        [
          "big brother",
          "big brother"
        ]
      ],
      "raw_glosses": [
        "(Amur) elder brother; big brother"
      ],
      "synonyms": [
        {
          "roman": "aki",
          "tags": [
            "Sakhalin"
          ],
          "word": "аки"
        },
        {
          "roman": "aqan",
          "tags": [
            "Sakhalin"
          ],
          "word": "аӄан"
        },
        {
          "roman": "aqand",
          "tags": [
            "Sakhalin"
          ],
          "word": "аӄанд"
        }
      ],
      "tags": [
        "Amur"
      ]
    }
  ],
  "word": "ыкын"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "tuw-pro",
        "2": "*ake"
      },
      "expansion": "*ake",
      "name": "m"
    },
    {
      "args": {
        "1": "evn",
        "2": "акин"
      },
      "expansion": "Evenki акин (akin)",
      "name": "cog"
    },
    {
      "args": {
        "1": "xgn-pro",
        "2": "*aka"
      },
      "expansion": "*aka",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "ах"
      },
      "expansion": "Mongolian ах (ax)",
      "name": "cog"
    },
    {
      "args": {
        "1": "ain",
        "2": "アㇰ",
        "gloss": "younger brother",
        "tr": "ak"
      },
      "expansion": "アㇰ (ak, “younger brother”)",
      "name": "m"
    }
  ],
  "etymology_text": "Earlier (*akan). Maybe related to *ake, compare Evenki акин (akin), Mongolic *aka, compare Mongolian ах (ax), and also Ainu アㇰ (ak, “younger brother”).",
  "forms": [
    {
      "form": "əkən",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "niv",
        "2": "noun"
      },
      "expansion": "ыкын (əkən)",
      "name": "head"
    }
  ],
  "lang": "Nivkh",
  "lang_code": "niv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Amur Nivkh",
        "Nivkh entries with incorrect language header",
        "Nivkh lemmas",
        "Nivkh nouns",
        "niv:Family",
        "niv:Male"
      ],
      "glosses": [
        "elder brother; big brother"
      ],
      "links": [
        [
          "elder brother",
          "elder brother"
        ],
        [
          "big brother",
          "big brother"
        ]
      ],
      "raw_glosses": [
        "(Amur) elder brother; big brother"
      ],
      "tags": [
        "Amur"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "aki",
      "tags": [
        "Sakhalin"
      ],
      "word": "аки"
    },
    {
      "roman": "aqan",
      "tags": [
        "Sakhalin"
      ],
      "word": "аӄан"
    },
    {
      "roman": "aqand",
      "tags": [
        "Sakhalin"
      ],
      "word": "аӄанд"
    }
  ],
  "word": "ыкын"
}