What covers the 1st and 2nd of 10 as judgment day? (14)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

EH ? (“what?) covers the 1st and 2nd (letters) of 10dn, so E(SC)H-ATOLOGICAL Eschatological means “relating to death, judgement or the final destiny of the soul” for those who believe in such things (well, I suppose we all believe in death).