"arroua" meaning in Old Spanish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "es",
            "2": "arroba"
          },
          "expansion": "Spanish: arroba",
          "name": "desc"
        }
      ],
      "text": "Spanish: arroba"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "osp",
        "2": "xaa",
        "3": "-"
      },
      "expansion": "Andalusian Arabic",
      "name": "bor"
    },
    {
      "args": {
        "1": "osp",
        "2": "ar",
        "3": "رُبْع",
        "t": "fourth"
      },
      "expansion": "Arabic رُبْع (rubʕ, “fourth”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from Andalusian Arabic, from Arabic رُبْع (rubʕ, “fourth”).",
  "forms": [
    {
      "form": "arrouas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "osp",
        "2": "noun",
        "g": "f",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "arroua f",
      "name": "head"
    },
    {
      "args": {
        "1": "f"
      },
      "expansion": "arroua f (plural arrouas)",
      "name": "osp-noun"
    }
  ],
  "lang": "Old Spanish",
  "lang_code": "osp",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "osp",
          "name": "Units of measure",
          "orig": "osp:Units of measure",
          "parents": [
            "Metrology",
            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "And they find them in great sizes, so the writer of this book said that he saw one that weighed two arrobas, but it was very light for its size.",
          "ref": "c. 1250, Alfonso X, Lapidario, f. 25r:",
          "text": "Et fallan dellas muy grandes aſſi que dixo el que compuſo eſte libro que uio una que peſaua dos arrouas. ⁊ pero era muy liuiana ſegund ſu grandez.",
          "type": "quote"
        }
      ],
      "glosses": [
        "arroba (Spanish unit of weight)"
      ],
      "id": "en-arroua-osp-noun-OBEzJrKI",
      "links": [
        [
          "arroba",
          "arroba"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aˈroβa/"
    }
  ],
  "word": "arroua"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "es",
            "2": "arroba"
          },
          "expansion": "Spanish: arroba",
          "name": "desc"
        }
      ],
      "text": "Spanish: arroba"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "osp",
        "2": "xaa",
        "3": "-"
      },
      "expansion": "Andalusian Arabic",
      "name": "bor"
    },
    {
      "args": {
        "1": "osp",
        "2": "ar",
        "3": "رُبْع",
        "t": "fourth"
      },
      "expansion": "Arabic رُبْع (rubʕ, “fourth”)",
      "name": "der"
    }
  ],
  "etymology_text": "Borrowed from Andalusian Arabic, from Arabic رُبْع (rubʕ, “fourth”).",
  "forms": [
    {
      "form": "arrouas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "osp",
        "2": "noun",
        "g": "f",
        "g2": "",
        "head": "",
        "sort": ""
      },
      "expansion": "arroua f",
      "name": "head"
    },
    {
      "args": {
        "1": "f"
      },
      "expansion": "arroua f (plural arrouas)",
      "name": "osp-noun"
    }
  ],
  "lang": "Old Spanish",
  "lang_code": "osp",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Old Spanish entries with incorrect language header",
        "Old Spanish feminine nouns",
        "Old Spanish lemmas",
        "Old Spanish nouns",
        "Old Spanish terms borrowed from Andalusian Arabic",
        "Old Spanish terms derived from Andalusian Arabic",
        "Old Spanish terms derived from Arabic",
        "Old Spanish terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "osp-noun needing attention",
        "osp:Units of measure"
      ],
      "examples": [
        {
          "english": "And they find them in great sizes, so the writer of this book said that he saw one that weighed two arrobas, but it was very light for its size.",
          "ref": "c. 1250, Alfonso X, Lapidario, f. 25r:",
          "text": "Et fallan dellas muy grandes aſſi que dixo el que compuſo eſte libro que uio una que peſaua dos arrouas. ⁊ pero era muy liuiana ſegund ſu grandez.",
          "type": "quote"
        }
      ],
      "glosses": [
        "arroba (Spanish unit of weight)"
      ],
      "links": [
        [
          "arroba",
          "arroba"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/aˈroβa/"
    }
  ],
  "word": "arroua"
}