"δεύτερος" meaning in Grego

{
  "categories": [
    {
      "kind": "other",
      "name": "!Entrada (Grego)",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Numeral (Grego)",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Grego",
  "lang_code": "el",
  "pos": "num",
  "pos_title": "Numeral",
  "senses": [
    {
      "glosses": [
        "o numeral segundo"
      ],
      "id": "pt-δεύτερος-el-num-ZWr15Dh7"
    }
  ],
  "synonyms": [
    {
      "word": "δύο"
    }
  ],
  "word": "δεύτερος"
}

{
  "categories": [
    "!Entrada (Grego)",
    "Numeral (Grego)"
  ],
  "lang": "Grego",
  "lang_code": "el",
  "pos": "num",
  "pos_title": "Numeral",
  "senses": [
    {
      "glosses": [
        "o numeral segundo"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "δύο"
    }
  ],
  "word": "δεύτερος"
}