bho
Bho,(indecl.) [Voc.of bhavant,cp.Sk.bhoḥ which is the shortened Voc.bhagoḥ of Vedic bhagavant; cp.as to form P.āvuso›Sk.āyuṣmaḥ of āyuṣmant] a familiar term of address (in speaking to equals or inferiors):sir,friend,you,my dear; pl.sirs D.I,88,90,93,111; M.I,484; Sn.427,457,487; with Voc.of noun:bho purisa my dear man J.I,423; bho brahmaṇā oh ye brahmans J.II,369.Double bho bho DhA.IV,158.
--vādika=°vādin Nd1 249.--vādin a brahman,i.e.one who addresses others with the word “bho," implying some superiority of the speaker; name given to the brahman,as proud of his birth,in contrast to brāhmaṇa,the true brahman Sn.620; Dh.396; J.VI,211,214; DhA.IV,158.(Page 509)