BT Ber 6a(21) :ובעו רבנן רחמי עליה ואיתסי‏ : the rabbis prayed over him and he was healed
See the entire entry for bˁy vb. to ask, to beg, to inquire

BT Ber 6a(21) :ובעו רבנן רחמי עליה ואיתסי‏ : the rabbis prayed for him and he was healed
See the entire entry for rabbān, rabbānā n.m. lord, master