"-la" meaning in Basque

{
  "categories": [
    {
      "kind": "other",
      "name": "Verbes en basque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Basque",
      "orig": "basque",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "Mots suffixés avec -la"
    }
  ],
  "etymology_texts": [
    "Étymologie obscure."
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "examples": [
        {
          "text": "hau → hala (« ainsi, comme »)."
        }
      ],
      "glosses": [
        "Suffixe adverbial."
      ],
      "id": "fr--la-eu-verb-zk8Xse1N"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en basque",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "hau dela bide, ezin naiz ahaztu.",
          "translation": "à cause de lui, je ne peux oublier."
        },
        {
          "text": "Adanen bekatua zela bitarte.",
          "translation": "à cause de la faute d’Adam."
        },
        {
          "text": "hiru arrazoi hauek direla kausa, jokoak debekatuak dira.",
          "translation": "à cause de ces trois raisons, les jeux restent interdits."
        }
      ],
      "glosses": [
        "Suffixe complétif de subordination : à cause de."
      ],
      "id": "fr--la-eu-verb-0pdNRbmJ"
    }
  ],
  "word": "-la"
}

{
  "categories": [
    "Verbes en basque",
    "basque"
  ],
  "derived": [
    {
      "word": "Mots suffixés avec -la"
    }
  ],
  "etymology_texts": [
    "Étymologie obscure."
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "examples": [
        {
          "text": "hau → hala (« ainsi, comme »)."
        }
      ],
      "glosses": [
        "Suffixe adverbial."
      ]
    },
    {
      "categories": [
        "Exemples en basque"
      ],
      "examples": [
        {
          "text": "hau dela bide, ezin naiz ahaztu.",
          "translation": "à cause de lui, je ne peux oublier."
        },
        {
          "text": "Adanen bekatua zela bitarte.",
          "translation": "à cause de la faute d’Adam."
        },
        {
          "text": "hiru arrazoi hauek direla kausa, jokoak debekatuak dira.",
          "translation": "à cause de ces trois raisons, les jeux restent interdits."
        }
      ],
      "glosses": [
        "Suffixe complétif de subordination : à cause de."
      ]
    }
  ],
  "word": "-la"
}