9 Did easily believe her strong extremity.
strong > intense extremity > urgency, need
301.54
Full easie was for her to haue beliefe,
2 Who by self-feeling of her feeble sexe,
And by long triall of the inward griefe,
4 Wherewith imperious loue her hart did vexe,
Could iudge what paines do louing harts perplexe.
6 Who meanes no guile, +be guiled+ soonest shall,
And to faire semblaunce doth light faith annexe;
8 The bird, that knowes not the false fowlers call,
Into his hidden net full easily doth fall.
6 be guiled > beguiled 1596; be 'guiled 1609
1 Full easy was for her to have belief,
Full > Very was > [it was]
2 Who, by self-feeling of her feeble sex
self-feeling of > ?fellow-feeling for (this sense not in OED)
3 (And by long trial of the inward grief 4 Wherewith imperious love her heart did vex),