何ぞ
also: なにぞ · なぞ
な
ん
ぞ
Meanings
1
Used as a pronoun meaning 'something', often in older or literary contexts. In modern Japanese, 何か (なにか) is more common.
Isn't there something interesting to talk about?
2
expression, noun which may take the genitive case particle 'no'
usually written using kana alone
Interrogative 'what', often used in casual or dialectal speech. Usually written in kana. Can also be used as a modifier with の.
What's that?
What do you want?
3
Adverbial use meaning 'why' or 'how', often rhetorical or exclamatory. Can express surprise or emphasis.
Why did you do such a thing?
How would I know?