wave > water

9 Of hellish Styx, which hidden virtue to it gave.

Styx > (The river of hate, one of the five rivers of hell, in which Vulcan tempered from white heat the sword made for Daunus, the father of Turnus (Aen. 12.90-1)) virtue > efficacy, occult power

208.21

The vertue is, that neither steele, nor stone
2 The stroke thereof from entrance may defend;
Ne euer may be vsed by his fone,
4 Ne forst his rightfull owner to offend,
Ne euer will it breake, ne euer bend.
6 Wherefore Morddure it rightfully is hight.
In vaine therefore, Pyrochles, should I lend
8 The same to thee, against his lord to fight,
For sure it would deceiue thy labour, and thy might.

1 "The virtue is that neither steel nor stone 2 The stroke thereof from entrance may defend; 3 Nor ever may be used by his foes,

may > [may it]

4 Nor forced its rightful owner to offend,

forced > [be forced] offend > harm, injure

5 Nor ever will it break, nor ever bend. 6 Wherefore Morddure it rightfully is hight.