अहोahoind.A particle showing (a) surprise or wonder; often agreeable (ah, how great or wonderful); अहो कामी स्वतां…
Derived forms and compounds
अहो बत महत् पापं कर्तुं व्यवसिता वयम् ।
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.