'Blot' in the Bible

let me alone, that I may destroy them, and blot out their name from under heaven; and I will make of thee a nation mightier and greater than they.

Therefore it shall be, when Jehovah thy God hath given thee rest from all thine enemies round about, in the land which Jehovah thy God giveth thee for an inheritance to possess it, that thou shalt blot out the remembrance of Amalek from under heaven; thou shalt not forget.

Jehovah will not pardon him, but then the anger of Jehovah and his jealousy will smoke against that man, and all the curse that is written in this book shall lie upon him, and Jehovah will blot out his name from under heaven.