कथम्kathamhow being.
Derived forms and compounds
स्वजनं हि कथं हत्वा सुखिनः स्याम माधव ॥
कोशःDictionaries
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.