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 काशिका
काशिकाkāśikā1 The city of Benares.
1 The city of Benares.
Name of a commentary on Pāṇiṇi's Sūtras (called काशिकावृत्ति).