HEREBY

her-bi', represents bezo'th, "in or by this" (Genesis 42:15 "Hereby ye shall be proved"); ek toutou, "out of this" (1 John 4:6, the Revised Version (British and American) "by this"); en touto, "in this," "by this means" (1 Corinthians 4:4; 1 John 2:3,1; 3:16,19,24; 4:2,13).

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.