"tsau" meaning in Estonian

{
  "etymology_templates": [
    {
      "args": {
        "1": "et",
        "2": "it",
        "3": "ciao"
      },
      "expansion": "Italian ciao",
      "name": "bor"
    }
  ],
  "etymology_text": "From Italian ciao.",
  "head_templates": [
    {
      "args": {
        "1": "et",
        "2": "interjection"
      },
      "expansion": "tsau",
      "name": "head"
    }
  ],
  "hyphenation": [
    "tsau"
  ],
  "lang": "Estonian",
  "lang_code": "et",
  "pos": "intj",
  "senses": [
    {
      "glosses": [
        "hello, hi"
      ],
      "id": "en-tsau-et-intj-OWSax3nb",
      "links": [
        [
          "hello",
          "hello"
        ],
        [
          "hi",
          "hi"
        ]
      ],
      "tags": [
        "colloquial"
      ]
    },
    {
      "categories": [
        {
          "_dis": "33 67",
          "kind": "other",
          "name": "Estonian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "34 52 0 14",
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "33 52 0 15",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "bye"
      ],
      "id": "en-tsau-et-intj-tJ9CWn4f",
      "links": [
        [
          "bye",
          "bye"
        ]
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtʃɑu̯/"
    },
    {
      "ipa": "[ˈtʃɑu̯]"
    },
    {
      "ipa": "/ˈts(ʲ)ɑu̯/"
    },
    {
      "ipa": "[ˈts(ʲ)ɑu̯]"
    },
    {
      "rhymes": "-ɑu"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "tšau"
    }
  ],
  "word": "tsau"
}

{
  "categories": [
    "Estonian colloquialisms",
    "Estonian entries with incorrect language header",
    "Estonian interjections",
    "Estonian lemmas",
    "Estonian terms borrowed from Italian",
    "Estonian terms derived from Italian",
    "Estonian terms with IPA pronunciation",
    "Pages with 3 entries",
    "Pages with entries",
    "Rhymes:Estonian/ɑu",
    "Rhymes:Estonian/ɑu/1 syllable"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "et",
        "2": "it",
        "3": "ciao"
      },
      "expansion": "Italian ciao",
      "name": "bor"
    }
  ],
  "etymology_text": "From Italian ciao.",
  "head_templates": [
    {
      "args": {
        "1": "et",
        "2": "interjection"
      },
      "expansion": "tsau",
      "name": "head"
    }
  ],
  "hyphenation": [
    "tsau"
  ],
  "lang": "Estonian",
  "lang_code": "et",
  "pos": "intj",
  "senses": [
    {
      "glosses": [
        "hello, hi"
      ],
      "links": [
        [
          "hello",
          "hello"
        ],
        [
          "hi",
          "hi"
        ]
      ],
      "tags": [
        "colloquial"
      ]
    },
    {
      "glosses": [
        "bye"
      ],
      "links": [
        [
          "bye",
          "bye"
        ]
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtʃɑu̯/"
    },
    {
      "ipa": "[ˈtʃɑu̯]"
    },
    {
      "ipa": "/ˈts(ʲ)ɑu̯/"
    },
    {
      "ipa": "[ˈts(ʲ)ɑu̯]"
    },
    {
      "rhymes": "-ɑu"
    }
  ],
  "synonyms": [
    {
      "word": "tšau"
    }
  ],
  "word": "tsau"
}