"erg" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "loanword",
        "2": "Borrowed"
      },
      "expansion": "Borrowed",
      "name": "glossary"
    },
    {
      "args": {
        "1": "es",
        "2": "fr",
        "3": "erg",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "French erg",
      "name": "bor"
    },
    {
      "args": {
        "1": "es",
        "2": "fr",
        "3": "erg"
      },
      "expansion": "Borrowed from French erg",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from French erg.",
  "forms": [
    {
      "form": "ergs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "erg m (plural ergs)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "erg"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Geography",
          "orig": "es:Geography",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Geology",
          "orig": "es:Geology",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "es",
          "name": "Landforms",
          "orig": "es:Landforms",
          "parents": [
            "Earth",
            "Places",
            "Nature",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "erg"
      ],
      "id": "en-erg-es-noun-6eAp9K8y",
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "geography",
          "geography"
        ],
        [
          "erg",
          "erg#English"
        ]
      ],
      "raw_glosses": [
        "(geology, geography) erg"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈeɾɡ/"
    },
    {
      "ipa": "[ˈeɾɣ̞]"
    },
    {
      "rhymes": "-eɾɡ"
    }
  ],
  "word": "erg"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "loanword",
        "2": "Borrowed"
      },
      "expansion": "Borrowed",
      "name": "glossary"
    },
    {
      "args": {
        "1": "es",
        "2": "fr",
        "3": "erg",
        "4": "",
        "5": "",
        "g": "",
        "g2": "",
        "g3": "",
        "id": "",
        "lit": "",
        "nocat": "",
        "pos": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "French erg",
      "name": "bor"
    },
    {
      "args": {
        "1": "es",
        "2": "fr",
        "3": "erg"
      },
      "expansion": "Borrowed from French erg",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from French erg.",
  "forms": [
    {
      "form": "ergs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "erg m (plural ergs)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "erg"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Rhymes:Spanish/eɾɡ",
        "Rhymes:Spanish/eɾɡ/1 syllable",
        "Spanish 1-syllable words",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish masculine nouns",
        "Spanish nouns",
        "Spanish terms borrowed from French",
        "Spanish terms derived from French",
        "Spanish terms with IPA pronunciation",
        "es:Geography",
        "es:Geology",
        "es:Landforms"
      ],
      "glosses": [
        "erg"
      ],
      "links": [
        [
          "geology",
          "geology"
        ],
        [
          "geography",
          "geography"
        ],
        [
          "erg",
          "erg#English"
        ]
      ],
      "raw_glosses": [
        "(geology, geography) erg"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈeɾɡ/"
    },
    {
      "ipa": "[ˈeɾɣ̞]"
    },
    {
      "rhymes": "-eɾɡ"
    }
  ],
  "word": "erg"
}