"tuku" meaning in Finnish

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "sv",
        "3": "tacka",
        "4": "",
        "5": "ewe"
      },
      "expansion": "Swedish tacka (“ewe”)",
      "name": "der"
    }
  ],
  "etymology_text": "Possibly from Swedish tacka (“ewe”).",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "interjections",
        "head": ""
      },
      "expansion": "tuku",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "tuku",
      "name": "fi-int"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Used to call sheep (to move towards the speaker)."
      ],
      "id": "en-tuku-fi-intj-vcnKqQ2p",
      "raw_glosses": [
        "(often repeated) Used to call sheep (to move towards the speaker)."
      ],
      "tags": [
        "often",
        "repeated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtuku/"
    },
    {
      "ipa": "[ˈt̪uku]"
    },
    {
      "rhymes": "-uku"
    }
  ],
  "word": "tuku"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "sv",
        "3": "tacka",
        "4": "",
        "5": "ewe"
      },
      "expansion": "Swedish tacka (“ewe”)",
      "name": "der"
    }
  ],
  "etymology_text": "Possibly from Swedish tacka (“ewe”).",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "interjections",
        "head": ""
      },
      "expansion": "tuku",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "tuku",
      "name": "fi-int"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Finnish 2-syllable words",
        "Finnish entries with incorrect language header",
        "Finnish interjections",
        "Finnish lemmas",
        "Finnish terms derived from Swedish",
        "Finnish terms with IPA pronunciation",
        "Rhymes:Finnish/uku",
        "Rhymes:Finnish/uku/2 syllables"
      ],
      "glosses": [
        "Used to call sheep (to move towards the speaker)."
      ],
      "raw_glosses": [
        "(often repeated) Used to call sheep (to move towards the speaker)."
      ],
      "tags": [
        "often",
        "repeated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtuku/"
    },
    {
      "ipa": "[ˈt̪uku]"
    },
    {
      "rhymes": "-uku"
    }
  ],
  "word": "tuku"
}