From Wiktionary, the free dictionary
Inherited from Prakrit -𑀅𑀡 (-aṇa), from Sanskrit -अन (-ana). Compare Hindi -ना (-nā).
-ਨਾ • (-nā) (Shahmukhi spelling ـنا)
- (India) Alternative form of -ਣਾ (-ṇā); used to form the infinitive after letters ਰ (ra), ੜ (ṛa), ਣ (ṇa) and ਲ਼ (ḷa)
- ਲੜ (laṛ, “fight (stem)”) + -ਨਾ (-nā) → ਲੜਨਾ (laṛnā, “to fight”)