- lackluster (adj.)
[lackluster 词源字典]
- also lack-luster, c. 1600, first attested in "As You Like It," from lack + luster. Combinations with lack- were frequent in 16c., such as lackland (1590s), of a landless man; lack-Latin (1530s), of an ignorant priest.[lackluster etymology, lackluster origin, 英语词源]