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Herein
HEREIN [isbe]
HEREIN - her-in', Hebrew bezo'th, "in" or "by this" (Gen 34:22, the Revised Version (British and American) "on this condition"); en touta (Jn 4:37; 9:30; 15:8; Acts 24:16; 2 Cor 8:10; 1 Jn 4:10,17).
Also see definition of "Herein" in Word Study