From Wiktionary, the free dictionary
نَنُن • (nanun) (Devanagari ननुन)
- to become apparent or known
- to be revealed
- (with dative) to find out or discover something
یہِ پَران پَران چھُ اَسہِ نَنان زِ تٔمِس ٲس کٲشرِچ بٔڈ زان ٲسمٕژ- While reading this, we discover that he had had great knowledge of Kashmiri.