"七" meaning in Old Japanese

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ja",
            "2": "七",
            "tr": "nana"
          },
          "expansion": "Japanese: 七 (nana)",
          "name": "desc"
        }
      ],
      "text": "Japanese: 七 (nana)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ojp",
        "2": "jpx-pro",
        "3": "*nana"
      },
      "expansion": "Proto-Japonic *nana",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Japonic *nana.",
  "forms": [
    {
      "form": "nana",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "なな",
      "tags": [
        "hiragana"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ojp",
        "2": "numeral",
        "3": "kana",
        "4": "なな",
        "tr": "nana"
      },
      "expansion": "七 (nana) (kana なな)",
      "name": "head"
    }
  ],
  "lang": "Old Japanese",
  "lang_code": "ojp",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "nana no sakasiki pito",
          "word": "七の賢しき人"
        }
      ],
      "examples": [
        {
          "ref": "夜麻登能(やまとの)多加佐士怒袁(たかさじのを)那那(なな)由久(ゆく)袁登賣杼母(をとめども)多禮袁志摩加牟(たれをしまかむ) [Man'yōgana]",
          "roman": "Yamato no Takasajino o nana yuku otome-domo tare o shi makamu",
          "text": "大和(やまと)の高(たか)佐士野(さじの)をなな行(ゆ)くをとめども誰(たれ)をし枕(ま)かむ [Modern spelling]",
          "type": "example"
        }
      ],
      "glosses": [
        "seven, 7"
      ],
      "id": "en-七-ojp-num-31D9koby",
      "links": [
        [
          "seven",
          "seven"
        ],
        [
          "7",
          "7"
        ]
      ]
    }
  ],
  "word": "七"
}

{
  "derived": [
    {
      "roman": "nana no sakasiki pito",
      "word": "七の賢しき人"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "ja",
            "2": "七",
            "tr": "nana"
          },
          "expansion": "Japanese: 七 (nana)",
          "name": "desc"
        }
      ],
      "text": "Japanese: 七 (nana)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ojp",
        "2": "jpx-pro",
        "3": "*nana"
      },
      "expansion": "Proto-Japonic *nana",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Japonic *nana.",
  "forms": [
    {
      "form": "nana",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "なな",
      "tags": [
        "hiragana"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ojp",
        "2": "numeral",
        "3": "kana",
        "4": "なな",
        "tr": "nana"
      },
      "expansion": "七 (nana) (kana なな)",
      "name": "head"
    }
  ],
  "lang": "Old Japanese",
  "lang_code": "ojp",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with usage examples",
        "Old Japanese entries with incorrect language header",
        "Old Japanese lemmas",
        "Old Japanese numerals",
        "Old Japanese terms derived from Proto-Japonic",
        "Old Japanese terms inherited from Proto-Japonic",
        "Pages with raw sortkeys",
        "Requests for translations of Japanese usage examples"
      ],
      "examples": [
        {
          "ref": "夜麻登能(やまとの)多加佐士怒袁(たかさじのを)那那(なな)由久(ゆく)袁登賣杼母(をとめども)多禮袁志摩加牟(たれをしまかむ) [Man'yōgana]",
          "roman": "Yamato no Takasajino o nana yuku otome-domo tare o shi makamu",
          "text": "大和(やまと)の高(たか)佐士野(さじの)をなな行(ゆ)くをとめども誰(たれ)をし枕(ま)かむ [Modern spelling]",
          "type": "example"
        }
      ],
      "glosses": [
        "seven, 7"
      ],
      "links": [
        [
          "seven",
          "seven"
        ],
        [
          "7",
          "7"
        ]
      ]
    }
  ],
  "word": "七"
}