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 शि
शिśi5 U. (शिनोति, शिनुते)
5 Ubbayapada (Parasmaipada and Atmanepada) (शिनोति, शिनुते)