For-thy > Therefore, for this reason were it > [it would be]

2 Should ever enter in his bounteous thought, 3 Or ever do that might deserve blame:

ever > [he should ever] that > [that which] blame > reproof, censure

4 The noble courage never weens aught

courage > heart, mind, spirit weens > imagines, thinks

5 That may unworthy of itself be thought. 6 Therefore, fair damsel, be you well aware,

aware > wary, watchful

7 Lest too far you have your sorrow sought: 8 You and your country both I wish welfare

welfare > good fortune; prosperity; happiness

9 And honour both; for each of other worthy are."