caffetannin
noun
caf·fe·tan·nin
¦kafə̇¦tanə̇n,
-fē-
variants or caffetannic acid
-anik-
plural -s
: a crystalline substance obtained from coffee berries and other plant products and consisting chiefly of chlorogenic acid
Word History
Etymology
caffetannin from caffeic + tannin; caffetannic from caffetannin + -ic
First Known Use
1849, in the meaning defined above