Verse 21

Or in enmity{H342} smite{H5221}{(H8689)} him with his hand{H3027}, that he die{H4191}{(H8799)}: he that smote{H5221}{(H8688)} him shall surely{H4191}{(H8800)} be put to death{H4191}{(H8714)}; for he is a murderer{H7523}{(H8802)}: the revenger{H1350}{(H8802)} of blood{H1818} shall slay{H4191}{(H8686)} the murderer{H7523}{(H8802)}, when he meeteth{H6293}{(H8800)} him.