191 complained before the Faery Queen that a vile enchanter 192 called Busirane had in hand a most fair lady called Amoret,

hand > custody

193 whom he kept in most grievous torment, because she would 194 not yield him the pleasure of her body. Whereupon Sir 195 Scudamour, the lover of that lady, presently took on him 196 that adventure. But being unable to perform it by reason of 197 the hard enchantments, after long sorrow, in the end met 198 with Britomartis, who succoured him, and rescued his love. 199 But by occasion hereof, many other adventures are 200 intermeddled, but rather as accidents than intendments. As

intermeddled > mixed in
intendments > intentions (i.e. episodes which have an intentional
bearing on the allegory)
As > [For example,]

201 the love of Britomart, the overthrow of Marinell, the misery 202 of Florimell, the virtuousness of Belphoebe, the 203 lasciviousness of Hellenore, and many the like. 204 Thus much, sir, I have briefly overrun to direct your 205 understanding to the well-head of the history, that from

well-head > source history > story that > [so that]

206 thence, gathering the whole intention of the conceit, you may,

conceit > conception, idea, scheme

207 as in a handful, grip all the discourse, which otherwise may

grip > grasp, understand