"ευτυχώς" meaning in Greek

{
  "antonyms": [
    {
      "english": "unfortunately",
      "roman": "dystychós",
      "word": "δυστυχώς"
    }
  ],
  "forms": [
    {
      "form": "eftychós",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "adverbs",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "sort": ""
      },
      "expansion": "ευτυχώς • (eftychós)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "ευτυχώς • (eftychós)",
      "name": "el-adv"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "fortunately, luckily"
      ],
      "id": "en-ευτυχώς-el-adv-tbJfctMa",
      "links": [
        [
          "fortunately",
          "fortunately"
        ],
        [
          "luckily",
          "luckily"
        ]
      ],
      "related": [
        {
          "english": "happiness",
          "roman": "eftychía",
          "tags": [
            "feminine"
          ],
          "word": "ευτυχία"
        }
      ]
    }
  ],
  "word": "ευτυχώς"
}

{
  "antonyms": [
    {
      "english": "unfortunately",
      "roman": "dystychós",
      "word": "δυστυχώς"
    }
  ],
  "forms": [
    {
      "form": "eftychós",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "adverbs",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "sort": ""
      },
      "expansion": "ευτυχώς • (eftychós)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "ευτυχώς • (eftychós)",
      "name": "el-adv"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "adv",
  "related": [
    {
      "english": "happiness",
      "roman": "eftychía",
      "tags": [
        "feminine"
      ],
      "word": "ευτυχία"
    }
  ],
  "senses": [
    {
      "categories": [
        "Greek adverbs",
        "Greek entries with incorrect language header",
        "Greek lemmas"
      ],
      "glosses": [
        "fortunately, luckily"
      ],
      "links": [
        [
          "fortunately",
          "fortunately"
        ],
        [
          "luckily",
          "luckily"
        ]
      ]
    }
  ],
  "word": "ευτυχώς"
}