kánwún noun /kã́.wṹ/
Definitions
  1. alternative form of kán-ún (“rocksalt; potash”) alt-ofalternative
  2. alternative form of kán-ún (“potassium”) alt-ofalternative
Source: Wiktionary, where this word is spelled “kanwun”. Reference: en-kanwun-yo-noun-uQ5-edlA