Whereby
From BiblePortal Wikipedia
King James Dictionary [1]
Whereby, adv. where and by.
1. By which.
You take my life, when you do take the means whereby I live.
2. By what, interrogatively.
Whereby shall I know this? Luke 1 .
Webster's Dictionary [2]
(1): ( adv.) By what; how; - used interrogatively.
(2): ( adv.) By which; - used relatively.
