r gan despise his drooping day,

gan > did; began to
drooping > declining, fading

5 And weary wax of his continual stay.

wax > grow, become

6 Tho to his daughter Regan he repaired,

Tho > Then
repaired > went

7 Who him at first well used every way;
8 But when of his departure she despaired,
9 Her bounty she abated, and his cheer impaired.

cheer > mood, gladness; countenance, expression; _also:_ hospitable
reception; _also:_ viands, food (a fine example of Spenser's
talent for finding _le mot juste_)

210.31

The wretched man gan then auise too late,
2 That loue is not, where most it is profest,
Too truely tryde in his extreamest state;
4 At last resolu'd likewise to proue the rest,
He to _Cordelia_ him selfe addrest,
6 Who with entire affection him receau'd,
As for her Syre and king her seemed best;
8 And after all an army strong she leau'd,
To war on those, which him had of his realme bereau'd.

1 The wretched man gan then advise, too late,

gan > did
advise > perceive; reflect

2 That love is not where most it is professed:
3 Too truly tried in his extremest state;

tried > proved, demonstrated

4 At last, resolved likewise to prove the rest,

prove > try; test
rest > remainder (i.e. his remaining daughter)

5 He to Cordelia himself addressed,

himself addressed > betook himself, went

6 Who with entire affection him received,

entire > unreserved, wholly devoted

7 As for her sire and king her seemed best;

As > [In the manner that]
sire > father
her > [to her]

8 And after all an army strong she leaved,

after all > afterwards; next; later
leaved > levied, mustered (via French _lever_: WU)

9 To war on those who him had of his realm bereaved.

bereaved > robbed

210.32

So to his crowne she him restor'd againe,
2 In which he dyde, made ripe for death by eld,
And after wild, it should to her remaine:
4 Who peaceably the same long time did weld:
And all mens harts in dew obedience held:
6 Till that her sisters children, woxen strong
Through proud ambition, against her rebeld,
8 And ouercommen kept in prison long,
Till wearie of that wretched life, her selfe she hong.

1 So to his crown she him restored again,

crown > rule, kingdom
again > (Pleonastic)

2 In which he died, made ripe for death by eld,

eld > old age

3 And after willed it should to