"aztar" meaning in Basque

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en basque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Basque",
      "orig": "basque",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "translation": "piste, trace",
      "word": "aztarna"
    },
    {
      "translation": "fouiller, examiner",
      "word": "aztertu"
    },
    {
      "translation": "examen",
      "word": "azterketa"
    },
    {
      "translation": "examinateur",
      "word": "azterketari"
    },
    {
      "translation": "examinateur",
      "word": "aztertzaile"
    }
  ],
  "etymology_texts": [
    "De hatz (« doigt, trace, empreinte ») → voir index (« index, indice ») en latin. Comparer avec oinatz (« indice, signe, piste »)."
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en basque",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Vestige, indice."
      ],
      "id": "fr-aztar-eu-noun-SmYuhJKM"
    },
    {
      "glosses": [
        "Trace, piste."
      ],
      "id": "fr-aztar-eu-noun-WytPY9SD"
    }
  ],
  "synonyms": [
    {
      "word": "hatz"
    }
  ],
  "word": "aztar"
}

{
  "categories": [
    "Noms communs en basque",
    "basque"
  ],
  "derived": [
    {
      "translation": "piste, trace",
      "word": "aztarna"
    },
    {
      "translation": "fouiller, examiner",
      "word": "aztertu"
    },
    {
      "translation": "examen",
      "word": "azterketa"
    },
    {
      "translation": "examinateur",
      "word": "azterketari"
    },
    {
      "translation": "examinateur",
      "word": "aztertzaile"
    }
  ],
  "etymology_texts": [
    "De hatz (« doigt, trace, empreinte ») → voir index (« index, indice ») en latin. Comparer avec oinatz (« indice, signe, piste »)."
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en basque"
      ],
      "glosses": [
        "Vestige, indice."
      ]
    },
    {
      "glosses": [
        "Trace, piste."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "hatz"
    }
  ],
  "word": "aztar"
}