ā-√ bhū -bhávati (Impf. 2. sg. ā́-bhavas; pf. ā́-babhūva, &c.) to be present or near at hand; to assist; to exist, be, [RV.]; [AV.]; [VS.]; to continue one's existence, [MBh.]; to originate, be produced, begin to exist, [RV.]; [AV.]; [ŚBr.]
ā-bhū́ mfn. present, being near at hand, assisting, helping, [RV.]
approaching, turning one's self towards (as a worshipper towards the deity), [RV. i, 51, 9]
ā-bhū́ (ūs), m. a helper, assistant.