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.
pavanaḥ pavatāmasmi rāmaḥ śastrabhṛtāmaham, — I am the wind among purifiers; I am Rama among warriors; and I am the alligator among fishes; among the rivers Ganges am I. 10·31
पवताम्pavatāmgenitive plural of the masculine form of the past participial adjective pavat (purifiying).