"aga" meaning in Turks

{
  "categories": [
    {
      "kind": "other",
      "name": "Woorden in het Turks",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Zelfstandig naamwoord in het Turks",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "van Ottomaans آغا zn (ağa) \"oudere broer; hoge officier, heer\""
  ],
  "lang": "Turks",
  "lang_code": "tr",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Familie_in_het_Engels",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "broer"
      ],
      "id": "nl-aga-tr-noun-3HDccwax",
      "raw_tags": [
        "oudere"
      ],
      "topics": [
        "familiar"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Streektaal_in_het_Engels",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "rijke man"
      ],
      "id": "nl-aga-tr-noun-wMiH9whi",
      "tags": [
        "regiolectal"
      ]
    }
  ],
  "word": "aga"
}

{
  "categories": [
    "Woorden in het Turks",
    "Zelfstandig naamwoord in het Turks"
  ],
  "etymology_texts": [
    "van Ottomaans آغا zn (ağa) \"oudere broer; hoge officier, heer\""
  ],
  "lang": "Turks",
  "lang_code": "tr",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        "Familie_in_het_Engels"
      ],
      "glosses": [
        "broer"
      ],
      "raw_tags": [
        "oudere"
      ],
      "topics": [
        "familiar"
      ]
    },
    {
      "categories": [
        "Streektaal_in_het_Engels"
      ],
      "glosses": [
        "rijke man"
      ],
      "tags": [
        "regiolectal"
      ]
    }
  ],
  "word": "aga"
}