From eu and ginomai; well born, i.e. (literally) high in rank, or (figuratively) generous -- more noble, nobleman.
see GREEK eu
see GREEK ginomai
1. well-born, of noble race: Luke 19:12 (of a prince); 1 Corinthians 1:26.
2. noble-minded: comparitive ἐυγενεστερος, Acts 17:11. (the Sept.; often in Greek writings from Aristophanes and Tragg. down.)