brilliance of success, reputation, etc.: the éclat of a great achievement.
2.
showy or elaborate display: a performance of great éclat.
3.
acclamation; acclaim.
Origin: 1665–75; < French: splinter, fragment, burst, flash, brilliance, Old French esclat, noun derivative of esclater to burst, break violently, probably < Old Low Franconian *slaitan to split, break (compare Old High German sleizan to tear), a causative of Germanic *slitan;see slit