"čhú" meaning in Dakota

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en dakota",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dakota",
      "orig": "dakota",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "ačhú"
    }
  ],
  "lang": "Dakota",
  "lang_code": "dak",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en dakota de la météorologie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Rosée."
      ],
      "id": "fr-čhú-dak-noun-bk2Llytt",
      "topics": [
        "meteorology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\t͡ʃʰu\\"
    }
  ],
  "word": "čhú"
}

{
  "categories": [
    "Noms communs en dakota",
    "dakota"
  ],
  "derived": [
    {
      "word": "ačhú"
    }
  ],
  "lang": "Dakota",
  "lang_code": "dak",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en dakota de la météorologie"
      ],
      "glosses": [
        "Rosée."
      ],
      "topics": [
        "meteorology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\t͡ʃʰu\\"
    }
  ],
  "word": "čhú"
}