surely put to death. Figure of speech Polyptoton. App-6. "A dying he shall die. "See note on Genesis 2:17.
Related Commentaries of Exodus 19:12
Exodus 19:12
12 And thou shalt set bounds unto the people round about, saying, Take heed to yourselves, that ye go not up into the mount, or touch the border of it: whosoever toucheth the mount shall be surely put to death: