凊彩

Etymology
. Here are a few possibilities: Folk etymologists often claim 請裁, shortened from 請汝裁決 (“please decide”). This is phonologically unlikely.
 * 凊彩: From +  — “not good enough” > “cannot choose”.
 * 靘彩: literally “dark or colourful” — it doesn't matter which you choose.

Adjective

 * 1)  any; whichever
 * 2)  casual; easygoing
 * 3)  careless; irresponsible

Adverb

 * 1)  casually; informally