This is the 317th most frequent Tamil word.
ஏன
"ஏன" means "why" in English.
Here, 'ஏன்' (why) is used as an interrogative adverb to ask a question about the reason behind an action.
நான் ஏன் இங்கு வந்தேன்?
Why did I come here?
In this case, 'ஏன்' (why) is used within an embedded question to indicate the cause or reason associated with a state or feeling.
எனக்கு ஏன் இவ்வளவு சோர்வு இருக்கிறது என்று தெரியவில்லை.
I don't know why I feel so tired.
Similarly, 'ஏன்' (why) functions in describing the unknown reason for someone's action.