"nattetid" meaning in Swedish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "natt",
        "3": "-e-",
        "4": "tid"
      },
      "expansion": "natt + -e- + tid",
      "name": "affix"
    }
  ],
  "etymology_text": "natt + -e- + tid",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "adverb",
        "head": "",
        "sort": ""
      },
      "expansion": "nattetid",
      "name": "head"
    },
    {
      "args": {
        "1": "-"
      },
      "expansion": "nattetid (not comparable)",
      "name": "sv-adv"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Swedish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Swedish terms interfixed with -e-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "sv",
          "name": "Times of day",
          "orig": "sv:Times of day",
          "parents": [
            "Periodic occurrences",
            "Timekeeping",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "The ghosts are the most active at night",
          "text": "Spökena är mest aktiva nattetid",
          "type": "example"
        }
      ],
      "glosses": [
        "during the night, at night"
      ],
      "id": "en-nattetid-sv-adv-nRgPUQlR",
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "nattetid"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sv",
        "2": "natt",
        "3": "-e-",
        "4": "tid"
      },
      "expansion": "natt + -e- + tid",
      "name": "affix"
    }
  ],
  "etymology_text": "natt + -e- + tid",
  "head_templates": [
    {
      "args": {
        "1": "sv",
        "2": "adverb",
        "head": "",
        "sort": ""
      },
      "expansion": "nattetid",
      "name": "head"
    },
    {
      "args": {
        "1": "-"
      },
      "expansion": "nattetid (not comparable)",
      "name": "sv-adv"
    }
  ],
  "lang": "Swedish",
  "lang_code": "sv",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Swedish adverbs",
        "Swedish compound terms",
        "Swedish entries with incorrect language header",
        "Swedish lemmas",
        "Swedish terms interfixed with -e-",
        "Swedish terms with usage examples",
        "sv:Times of day"
      ],
      "examples": [
        {
          "english": "The ghosts are the most active at night",
          "text": "Spökena är mest aktiva nattetid",
          "type": "example"
        }
      ],
      "glosses": [
        "during the night, at night"
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "nattetid"
}