'Avenging' in the Bible

And now, my lord, as Jehovah liveth, and as thy soul liveth, seeing Jehovah has restrained thee from coming with bloodshed, and from avenging thyself with thine own hand, now let thine enemies, and they that seek evil to my lord, be as Nabal.

And blessed be thy discernment, and blessed be thou, who hast kept me this day from coming with bloodshed, and from avenging myself with mine own hand.