Definition of "whereamongst"

So then arose the horrible confusion perpetuated ever since, of perversely different kinds of weights, jostling each other in Britain; Troy weight and Avoirdupois weight and Apothecaries' weight, wherein or whereamongst every one is at sea with regard to testing them, and no one whatever is satisfied.

1864, Charles Piazzi Smyth, Our Inheritance in the Great Pyramid, page 207