"ஏன்" meaning in Tamoul

{
  "categories": [
    {
      "kind": "other",
      "name": "Pronoms interrogatifs en tamoul",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Tamoul",
      "orig": "tamoul",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Tamoul",
  "lang_code": "ta",
  "pos": "pron",
  "pos_title": "Pronom interrogatif",
  "senses": [
    {
      "glosses": [
        "Pourquoi."
      ],
      "id": "fr-ஏன்-ta-pron-KOy3MJdN"
    }
  ],
  "synonyms": [
    {
      "raw_tags": [
        "etaṟku"
      ],
      "word": "எதற்கு"
    }
  ],
  "tags": [
    "interrogative"
  ],
  "word": "ஏன்"
}

{
  "categories": [
    "Pronoms interrogatifs en tamoul",
    "tamoul"
  ],
  "lang": "Tamoul",
  "lang_code": "ta",
  "pos": "pron",
  "pos_title": "Pronom interrogatif",
  "senses": [
    {
      "glosses": [
        "Pourquoi."
      ]
    }
  ],
  "synonyms": [
    {
      "raw_tags": [
        "etaṟku"
      ],
      "word": "எதற்கு"
    }
  ],
  "tags": [
    "interrogative"
  ],
  "word": "ஏன்"
}