whereby

adverbB1

Định nghĩa theo từ loại

Trạng từ

adverb

1.
(interrogative, not comparable, obsolete)By what, in which direction; how.
Whereby goest thou?
2.
(not comparable)By which.
3.
(nonstandard, not comparable)Where, wherein, in which.

Nguồn gốc từ

From where + by.