आगाधāgādhaa.Very deep or unfathomable (fig. also).
[आगाध एव स्वार्थे अण्]
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.