"ὀκτωκαίδεκα" meaning in Ancient Greek

{
  "forms": [
    {
      "form": "oktōkaídeka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "numeral"
      },
      "expansion": "ὀκτωκαίδεκα • (oktōkaídeka)",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "eighteen"
      ],
      "id": "en-ὀκτωκαίδεκα-grc-num-NDV7GKvd",
      "links": [
        [
          "eighteen",
          "eighteen"
        ]
      ]
    }
  ],
  "word": "ὀκτωκαίδεκα"
}

{
  "forms": [
    {
      "form": "oktōkaídeka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "numeral"
      },
      "expansion": "ὀκτωκαίδεκα • (oktōkaídeka)",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek lemmas",
        "Ancient Greek numerals"
      ],
      "glosses": [
        "eighteen"
      ],
      "links": [
        [
          "eighteen",
          "eighteen"
        ]
      ]
    }
  ],
  "word": "ὀκτωκαίδεκα"
}