灰 hui1
noun | adjective
: ash, dust, lime; gray
: discouraged; dejected
Kun Reading
灰 | はい hai
noun
: ash; ashes
On Reading
かい kai
Usage:
灰汁 hui1zhi1: lye [あく aku]
灰塵[尘] hui1chen2: dust [はいじん haijin: ashes & dust]
灰色 hui1se4: gray; gloomy [はいいろ haiiro]
灰心 hui1xin1: 2b discouraged
灰闇[暗] hui1an4: gray; drab
石灰s hi2hui1: lime (CaO) [せっかい sekkai]
扒灰 pa2hui1: affair (incest) b/w father-in-law & daughter-in-law
搪灰泥tang2hui1ni2: pargeting (decorative wall plasters)
Etymology:
會意 Ideogrammic Compound.
又 (you4: hand) + 火 (huo3: fire): fire that can be touched with the hand (ash)
Examples:
我把你的煙灰缸打破了。
wo3 ba3 ni3de yan1hui1gang1 da3po4 le
I broke your ashtray.
Resources: Chinese Dictionary | Japanese Dictionary