clyster
noun
clys·ter ˈkli-stər 
: enema
Word History
Etymology
Middle English, from Middle French or Latin; Middle French clistere, from Latin clyster, from Greek klystēr, from klyzein to wash out; akin to Welsh clir pure, Old English hlūtor clean
First Known Use
14th century, in the meaning defined above
Medical Definition
clyster
noun
clys·ter ˈklis-tər
: enema