godan verb (-ru), intransitive verb
Archaic and highly formal verb for dying, used mainly in classical literature or historical contexts. In modern Japanese, it is almost never used in everyday speech; 亡くなる or 死ぬ are the standard equivalents.
古典文学では、貴人がみまかる場面がよく描かれる。
In classical literature, scenes where a noble person passes away are often depicted.
「みまかる」は、現代ではほとんど使われない古い言い方だ。
みまかる is an old expression that is hardly used today.