luster
$ \mathrm{luster}^1 |ˈləstər| (British lustre)
https://gyazo.com/3428883c1442dd7caff58097d5809b7d
source: By Unknown photographer (Rijksmuseum) - https://www.europeana.eu/portal/en/record/90402/BK_1983_253_C.html, CC0
noun
1. a gentle sheen or soft glow, especially that of a partly reflective surface:
〖具体例ではa ～〗 (表面の)光沢, つや(gloss, sheen); 輝き, 光.
e.g. the luster of the Milky Way
e.g. she couldn't eat and her hair lost its luster.
the manner in which the surface of a mineral reflects light.
glory or distinction:
輝かしい名声, 光栄; 輝く美しさ, 光彩
e.g. a celebrity player to add luster to the lineup.
2. a thin coating containing unoxidized metal which gives an iridescent glaze to ceramics.
(陶磁器に金属光沢を出す)上薬
ceramics with an iridescent metallic glaze; lusterware:
ラスター〘金属光沢をもった陶磁器〙
e.g. as modifier : luster jugs.
3. a fabric or yarn with a sheen or gloss:
ラスター〘光沢のある羊毛と綿の混紡〙
e.g. as modifier : luster yarn.
British a thin dress material with a cotton warp, woolen weft, and a glossy surface.
4. a prismatic glass pendant on a chandelier or other ornament:
(シャンデリアの)下飾り
e.g. a chandelier dripping with glass lusters.
a cut-glass chandelier or candelabra.
(下飾りの付いた)シャンデリア
ORIGIN
early 16th century: from French, from Italian lustro, from the verb lustrare, from Latin lustrare ‘illuminate’.
$ \mathrm{luster}^2 |ˈləstər| (British lustre)
noun
another term for lustrum.