"ἀνταρκτικός" meaning in Ancient Greek

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "la",
            "2": "antarcticus",
            "bor": "1"
          },
          "expansion": "→ Latin: antarcticus",
          "name": "desc"
        }
      ],
      "text": "→ Latin: antarcticus"
    }
  ],
  "etymology_text": "From ἀντί (antí, “ant-, against, opposed”) + ἀρκτικός (arktikós, “Arctic”), from ἄρκτος (árktos, “bear”).",
  "forms": [
    {
      "form": "antarktikós",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ἀνταρκτική",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "ἀνταρκτικόν",
      "tags": [
        "neuter"
      ]
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "antarctic (opposite to the Arctic)"
      ],
      "id": "en-ἀνταρκτικός-grc-adj-HA3pL8wU"
    }
  ],
  "word": "ἀνταρκτικός"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "la",
            "2": "antarcticus",
            "bor": "1"
          },
          "expansion": "→ Latin: antarcticus",
          "name": "desc"
        }
      ],
      "text": "→ Latin: antarcticus"
    }
  ],
  "etymology_text": "From ἀντί (antí, “ant-, against, opposed”) + ἀρκτικός (arktikós, “Arctic”), from ἄρκτος (árktos, “bear”).",
  "forms": [
    {
      "form": "antarktikós",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ἀνταρκτική",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "ἀνταρκτικόν",
      "tags": [
        "neuter"
      ]
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Ancient Greek adjectives",
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek lemmas",
        "Ancient Greek oxytone terms",
        "Pages with 1 entry"
      ],
      "glosses": [
        "antarctic (opposite to the Arctic)"
      ]
    }
  ],
  "word": "ἀνταρκτικός"
}