the.com/lustre
The way light shows off, and surfaces take the credit.
means The soft sheen or glow reflected from a surface, or by extension a glamorous, radiant quality.
from From Latin lustrare, to illuminate, via French lustre — the same root that polishes a chandelier and a reputation alike.
Mineral testGeologists rank lustre from metallic to dull
Pearl talkPearl value hinges almost entirely on lustre
Spelling splitAmericans drop the e: luster