{Do I serve thee} (douleu(9320)soi). Progressive present
tense of this old verb from doulos (slave) which the elder son
uses to picture his virtual slavery in staying at home and
perhaps with longings to follow the younger son (Robertson,
_Grammar_, p. 879). {Transgressed} (par(886c)thon). Second aorist
active indicative of parerchomai, to pass by. Not even once
(aorist) in contrast with so many years of service (linear
present). {A kid} (eriphon). Some MSS. have eriphion,
diminutive, a little kid. So margin of Westcott and Hort. B has
it also in  Mt 25:32 , the only other N.T. passage where the word
occurs. {That I might make merry} (hina euphranth(935c)). Final
clause, first aorist passive subjunctive of the same verb used in
verses  23,25 .