Of > By hight > is named
3 Fidessa hight the falsest dame on ground,
dame > lady, woman
4 Most false Duessa, royal richly dight,
royal richly dight > [so] royally [and] richly dressed
5 That easy was to inveigle weaker sight:
That > [That it] inveigle > blind [in mind or judgement]; deceive weaker > too-weak
6 Who by her wicked arts, and wily skill
skill > skill; occult powers
7 (Too false and strong for earthly skill or might), 8 Unwares me worked to her wicked will,