Как по Английски будет por lo cual

interrogative adverb

From what place or source.

Примеры использования:

Whence does parliament derive this power?

relative adverb

From which; from where.

Примеры использования:

The ural mountains, whence the ore is procured

adverb

(from) where

Примеры использования:

It has been returned to the shop from whence it came.

relative adverb

By which.

Примеры использования:

A system whereby people could vote by telephone

conjunction

By which way or method

Примеры использования:

They’ve set up a plan whereby you can spread the cost over several months.