But > Except
4 Does dim with horror and deformity),
deformity > perversion, moral repulsiveness
5 Worthy of heaven and high felicity, 6 From whence the gods have her for envy thrust: 7 But, sith you have found favour in my eye,
sith > since
8 Your spouse I will her make, if that you lust,
lust > pleases, delights; also, intr.: please, choose; desire (esp. sexually)
9 That she may you advance for works and merits just."
That > [So that] merits > {That which is deserved, reward, whether secular or specifically from God}
207.50