彼が死んで三年たった。

彼が死んで三年たった。

Three years have passed since he died.

彼(かれ)が死(し)んで三(さん)年(ねん)たった。

Kare ga shinde san nen tatta.

彼 (かれ)

he; him; his; boyfriend

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

死ぬ (しぬ)

to die; to pass away; to lose spirit; to lose vigor; to look dead; to cease; to stop

三 (さん、み)

three; tri-

年 (とし)

year; many years; age; past one's prime; old age

起つ (たつ)

to rise up; to initiate (political) action

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: シ、し.ぬ、し.に-

Meanings: death, die

Readings: サン、ゾウ、み、み.つ、みっ.つ

Meaning: three

Readings: ネン、とし

Meanings: year, counter for years