Enter a clue or pattern or both:
The Clue
Five-year periods (6 letter answer)
The Answer
LUSTRA
Tags
Notes
The answer LUSTRA is so rare that it appears less than once every 2500 puzzles.
Definition
LUSTRE as a noun:
1. (luster, lustre) = a surface coating for ceramics or porcelain
2. (luster, lustre, brilliancy, splendor, splendour) = a quality that outshines the usual
3. (shininess, sheen, luster, lustre) = the visual property of something that shines with reflected light