From Prakrit 𑀡𑀺𑀫𑁆𑀫𑀮 (ṇimmala), from Sanskrit निर्मल (nirmala). Cognate to Marathi निव्वळ (nivvaḷ).
निवळ • (nivaḷ) (Latin script nivoll, Kannada script ನಿವಳ್)