436 The unripe fruit of an unready wit:
wit > mind, intelligence
437 Which by your countenance does crave to be 438 Defended from foul Envy's poisonous bit.
bit > {Bite, the action of biting}
439 Which so to do may you right well besit,
right > very besit > become, befit
440 Sith the antique glory of your ancestry
Sith > Since
antique > ancient
441 Under a shady veil is therein written, 442 And eke your own long living memory,
eke > also