"halloj" meaning in Swedish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "hallå",
        "3": "ohøj",
        "nocap": "1"
      },
      "expansion": "blend of hallå + ohøj",
      "name": "blend"
    },
    {
      "args": {
        "1": "da",
        "2": "halløj"
      },
      "expansion": "Danish halløj",
      "name": "m+"
    }
  ],
  "etymology_text": "Perhaps a blend of hallå + ohøj. Compare Danish halløj.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "interjection"
      },
      "expansion": "halloj",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "halloj",
      "name": "sv-interjection"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Swedish blends",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "hello"
      ],
      "id": "en-halloj-sv-intj-LPJNul-w",
      "links": [
        [
          "hello",
          "hello"
        ]
      ],
      "raw_glosses": [
        "(colloquial) hello"
      ],
      "related": [
        {
          "english": "has a list of greetings and farewells",
          "word": "hej"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "halloj"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "hallå",
        "3": "ohøj",
        "nocap": "1"
      },
      "expansion": "blend of hallå + ohøj",
      "name": "blend"
    },
    {
      "args": {
        "1": "da",
        "2": "halløj"
      },
      "expansion": "Danish halløj",
      "name": "m+"
    }
  ],
  "etymology_text": "Perhaps a blend of hallå + ohøj. Compare Danish halløj.",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "interjection"
      },
      "expansion": "halloj",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "halloj",
      "name": "sv-interjection"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "intj",
  "related": [
    {
      "english": "has a list of greetings and farewells",
      "word": "hej"
    }
  ],
  "senses": [
    {
      "categories": [
        "Swedish blends",
        "Swedish colloquialisms",
        "Swedish entries with incorrect language header",
        "Swedish interjections",
        "Swedish lemmas"
      ],
      "glosses": [
        "hello"
      ],
      "links": [
        [
          "hello",
          "hello"
        ]
      ],
      "raw_glosses": [
        "(colloquial) hello"
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "halloj"
}