1670s, from French zeste "piece of orange or lemon peel used as a flavoring," of unknown origin. Sense of "thing that adds flavor" is 1709; that of "keen enjoyment" first attested 1791.
例文
1. The outer skin of the orange is called the " zest ".
オレンジの皮を zest 。
2.Finely grate about a teaspoon of orange zest and put aside.
オレンジの皮をスプーン1杯分ほどの細かいみじん切りにして使います。
3.She wrote com-pellingly,with great zest .
彼女は情熱を持って、興味深く書いている。/
4.He had a great zest for life.
彼は生命に対して非常に情熱を持っている。
5.The love affair added a little zest to her life.