ichidan verb, intransitive verb
become senile from illness; become wasted by illness
Describes a person whose mental or physical state has deteriorated due to prolonged illness, often implying a dazed or senile condition. The verb is intransitive and relatively rare in modern usage.
長患いで、祖父はすっかり病み惚けてしまった。
After a long illness, my grandfather became completely senile.
病み惚けたように
He is staring blankly out the window as if wasted by illness.