also: ざんさい
Coffee dregs had collected at the bottom of the cup.
その制度は封建時代の残滓だと言われている。
That system is said to be a vestige of the feudal era.
Standard kanji form; the reading ざんし is the most common.
Alternate reading; less common than ざんし.
Compound of 残 (remain) and 滓 (dregs, sediment). The reading ざんし is the standard on'yomi; ざんさい is an alternative reading of the second character.