donepezil
nounUS /ˌdɑnˈɛp.əz.ɪl/
Etymology Probably from (in)d(en)one + (pi)pe(ridine) + (ben)zyl.
1
Medicine, Pharmacology, Sciences A drug taken orally in the form of its hydrochloride C₂₄H₂₉NO₃·HCl to treat dementia associated with Alzheimer's disease