The Compendium of Bheḷa 8.1.14

8.1.14

nimbapatrāṇi sārdrāṇi saindhavaṃ maricāni ca | saindhavena samāyuktaṃ takramaṇḍena vā punaḥ ||

fresh leaves of nimba, rock salt, and black peppers, / combined with rock salt, or else with buttermilk scum;