Him I accuse has entered.

And so (as shown by Mr. Guest, Philological Transactions), Shakspeare has really written,—

Him I accuse,

The city gates by this has entered.

Coriolanus, v. 5.

Better leave undone, than by our deeds acquire

Too high a fame, when him we serve's away.

Antony and Cleopatra, iii. 1.

The reason of this is clear. The verb that determines

the case of the relative is brought in contact with the antecedent, and the case of the antecedent is accommodated to the case of the relative.