'eth (Hebrew #853)
properly, self (but generally used to point out more definitely the object of a verb or preposition, even or namely)
KJV usage: (as such unrepresented in English).
Pronounce: ayth
Origin: apparent contracted from 226 in the demonstrative sense of entity
shachath (Hebrew #7843)
to decay, i.e. (causatively) ruin (literally or figuratively)
KJV usage: batter, cast off, corrupt(-er, thing), destroy(-er, -uction), lose, mar, perish, spill, spoiler, X utterly, waste(-r).
Pronounce: shaw-khath'
Origin: a primitive root