whereof

IPA(Pronunciation)

archaic not-comparable

(archaic) Of what. / (archaic) Of which.

Japanese Meaning

何に関する / どのものに関する

He could not recall the contents whereof he had dreamed last night.

彼は昨夜夢に見たものの内容が何であったか思い出せなかった。

Sense（1）

(archaic) Of what.

In sooth, I know not why I am so sad.

It wearies me; you say it wearies you;

But how I caught it, found it, or came by it,

What stuff 'tis made of, whereof it is born,

I am to learn;

And such a wantwit sadness makes of me,

That I have much ado to know myself.

Sense（2）

(archaic) Of which.