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 गच्छ
गच्छgaccha1 A tree.
1 A tree.
The period (id est, that is number of terms) of a progression (in math.).
tameva śaraṇaṁ gaccha sarvabhāvena bhārata, — In him take refuge in every way of thy being and by his grace thou shalt come to the supreme peace and the eternal status. 18·62
गच्छgacchaimperative 2nd person singular of the verbal root gam (to go).