adding beauty to beauty; crowning glory
Abbreviation of the idiom 錦上花を添える (adding flowers to brocade), meaning to enhance something already beautiful or excellent. Rarely used independently; almost always appears in the full phrase.
See also: 錦上花を添える
The phrase 錦上花を添える means to add even more beauty to something already beautiful.
adding a crowning touch of beauty; making excellence even better
From Chinese 錦上添花 (jǐn shàng tiān huā), literally 'adding flowers to brocade'. The Japanese abbreviation 錦上 retains the core meaning but is not used independently in modern Japanese.