éclat
n.
5Fr, noise, clap, splendor < =clater, to burst (out), shine, prob. < Gmc base seen in Langobardic slaitan, to tear, split, akin to SLIT6
1 brilliant or conspicuous success
2 dazzling display; striking effect
3 approval; acclaim
4 fame; renown

I remember with amusement and a bit of approval anecdote about poet Malherbe sandpapering
cuffs of new jacket "pour ôter cet éclat de neuf".