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 बृह्
बृह्bṛh1, 6 P. (बर्हति, बृहति)
1, 6 Parasmaipada (बर्हति, बृहति)
To grow, increase, expand.
To roar. -With उद् 1. to lift, raise; उद्बबर्ह शरं नीलस्तस्य गात्रगतं तदा Rām.4.23.17; Mb.1.197.32; उद्बबहात्मनश्चैव मनः सदसदात्मकम् Ms.1.14; Bk.14.18.
Derived forms and compounds
-नि to destroy, remove; कृतः कृतार्थोऽस्मि निबर्हितांहसा Śi.1.29.