V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry कसन
कसनkasanaCough (कास).
Cough (कास).
Derived forms and compounds
-उत्पाटनः 'cough relieving', the plant Gendarussa vulgaris (Marâthîअडूळसा)