"barnatu" meaning in Basque

{
  "categories": [
    {
      "kind": "other",
      "name": "Dérivations en basque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en basque suffixés avec -tu",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Verbes en basque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Basque",
      "orig": "basque",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dérivé de barna (« profond »), avec le suffixe -tu."
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en basque",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "nola hasi baitzen uretan barnatzen, oihu egin zuen.",
          "translation": "alors qu’il commençait à couler, il poussa des cris."
        }
      ],
      "glosses": [
        "Couler, aller au fond."
      ],
      "id": "fr-barnatu-eu-verb-DhnNc7-q"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en basque",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "pentsamendu horretan barnatuz.",
          "translation": "approfondissant ces pensées."
        }
      ],
      "glosses": [
        "Approfondir."
      ],
      "id": "fr-barnatu-eu-verb-zrJsC6xa"
    }
  ],
  "synonyms": [
    {
      "word": "barnagotu"
    }
  ],
  "word": "barnatu"
}

{
  "categories": [
    "Dérivations en basque",
    "Mots en basque suffixés avec -tu",
    "Verbes en basque",
    "basque"
  ],
  "etymology_texts": [
    "Dérivé de barna (« profond »), avec le suffixe -tu."
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "categories": [
        "Exemples en basque"
      ],
      "examples": [
        {
          "text": "nola hasi baitzen uretan barnatzen, oihu egin zuen.",
          "translation": "alors qu’il commençait à couler, il poussa des cris."
        }
      ],
      "glosses": [
        "Couler, aller au fond."
      ]
    },
    {
      "categories": [
        "Exemples en basque"
      ],
      "examples": [
        {
          "text": "pentsamendu horretan barnatuz.",
          "translation": "approfondissant ces pensées."
        }
      ],
      "glosses": [
        "Approfondir."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "barnagotu"
    }
  ],
  "word": "barnatu"
}