whereby
Translation
by which, through which
Examples
They have a system whereby you can pay online.
They have a system whereby you can pay online.
A contract was signed whereby the company was sold.
A contract was signed whereby the company was sold.
Grammar Patterns
[noun] whereby [clause] introduces a clause explaining the preceding noun They have a system whereby you can pay online.
Similar Words
Synonyms: by which, through which, by means of which
Etymology
From 'where' + 'by'. Literally means 'by which'.
Memory Tips
Think of it as a formal way to say 'by which'. It introduces an explanation of a process or method.