Exegesis:

perilupos egenēthē ‘he became very sad.’ egenēthē is best understood as ingressive aorist. perilupos.

ēn gar plousios sphodra ‘for he was very rich.’ sphodra ‘very’ modifies plousios though placed after it.

Translation:

He was very rich, or, ‘he was a very rich man.’

Quoted with permission from Reiling, J. and Swellengrebel, J.L. A Handbook on the Gospel of Luke. (UBS Handbook Series). New York: UBS, 1971. For this and other handbooks for translators see here . Make sure to also consult the Handbook on the Gospel of Mark for parallel or similar verses.