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 आह्वानम्
आह्वानम्āhvānam1 Calling, inviting.
1 Calling, inviting.
A call, invitation, summons (in general); सुहृदाह्वानं प्रकुर्वीत Pt.3.47.
A legal summons (from court or govt. to appear before a tribunal); Mk.9.
Invocation of a deity; जन्म- ज्येष्ठेन चाह्वानं सुब्रह्मण्यास्वपि स्मृतम् Ms.9.126.