comer capim pela raiz

idiomatic

死ぬ、死に至る、くたばる（ブラジル・ポルトガルの口語・俗語的慣用句）

English Meaning

(idiomatic) to die, to kick the bucket, to bite the dust, to give up the ghost, to go west, to be pushing up daisies

Depois de anos lutando contra a doença, ele acabou por comer capim pela raiz.

何年も病気と闘った後、彼は結局死んでしまった。

After years of battling the illness, he ended up kicking the bucket.