अभिवर्षणम्abhivarṣaṇamRaining upon, watering, bedewing &c.
Raining upon, watering, bedewing etc.
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.