Analysis of information sources in references of the Wikipedia article "نون چائے" in Urdu language version.
… নূণ Salt …
… Noon-Dab, Hind.، from Noon or loon, salt, and dabna, to dip, bespatter, or sprinkle, a custom among the Rajput races, of dipping the hand in the salt; the Noon-dab, is the most sacred pledge of good faith …