எத

In a sentence

• நான் எதைக் கொடுத்து உதவ வேண்டும்.

  I need to help by giving something.

  Here 'எத' (eḍa) is a pronoun indicating 'something' to be defined or understood from context.

• எதற்கு நீ இங்கே வந்தாய்?

  Why did you come here?

  Here 'எதற்கு' (eḍaṛku) means 'why,' combining 'எத' (what) with a suffix indicating purpose or reason.

• எதை வாசிக்க விரும்புகிறாய்?

  What do you want to read?

  In this sentence, 'எதை' (eṭai) is a question word asking about the object of the action, meaning 'what' in an interrogative sense.