precious > [precious and]

107.30

And in the midst thereof one pretious stone
2 Of wondrous worth, and eke of wondrous mights,
Shapt like a Ladies head, exceeding shone,
4 Like Hesperus emongst the lesser lights,
And stroue for to amaze the weaker sights;
6 Thereby his mortall blade full comely hong
In yuory sheath, ycaru'd with curious slights;
8 Whose hilts were burnisht gold, and handle strong
Of mother pearle, and buckled with a golden tong.

1 And in the midst thereof one precious stone 2 Of wondrous worth, and eke of wondrous mights,

eke > also mights > virtue, efficacy, powers

3 Shaped like a lady's head, exceeding shone,

lady > (Presumably the Faery Queen. In the chronicle of Geoffrey of Monmouth (Historia Regum Britanniae 9.4), Arthur's shield bore an image of the Virgin Mary)

4 Like Hesperus amongst the lesser lights,

Hesperus > (The "Evening Star", i.e. the planet Venus)

5 And strove to amaze the weaker sights;