bountihead > bounteousness, munificence

303.48

Tho when the terme is full accomplishid,
2 There shall a sparke of fire, which hath long-while
Bene in his ashes raked vp, and hid,
4 Be freshly kindled in the fruitfull Ile
Of Mona, where it lurked in exile;
6 Which shall breake forth into bright burning flame,
And reach into the house, that beares the stile
8 Of royall maiesty and soueraigne name;
So shall the Briton bloud their crowne againe reclame.

1 "Tho when the term is full accomplished,

Tho > Then

2 There shall a spark of fire, which has long-while 3 Been in its ashes raked up, and hidden, 4 Be freshly kindled in the fruitful isle 5 Of Mona, where it lurked in exile;

Mona > (Anglesey, the large island off north Wales; although Henry VII, to whom Spenser is almost certainly alluding, was actually born at Pembroke Castle. Henry VII was the first of the Tudor monarchs, the grandfather of Queen Elizabeth)

6 Which shall break forth into bright burning flame, 7 And reach into the House that bears the style

style > title, appellation

8 Of royal majesty and sovereign name: