weet: also wit or wot, to know (but in the context discovered, ‘come wind or weet,’ probably wet)
perdue: a soldier sent on an especially dangerous mission (fr. French, ‘forgotten’)
gare: in water, a pier; on land, a station; in a person, greed or miserliness
electuary: medicine mixed with sugar or honey for easier consumption
garth: a courtyard, esp. within a cloister; or, a hoop for children’s play
sendal: fine silk fabric used in the middle ages, or a garment of it
grith: in old English law, sanctuary provided by church or crown
troke: also troak or truck, to barter or trade, or the items traded
corrie: a bowl-like terrain feature formed by retreating glaciers
inexpugnable: unable to be overcome or driven away by force
eft: certain terrestrial newts or developmental stages thereof
syth: also sith, sithe, etc, relatives of sithence, meaning since
graith: equipment, or to equip, or to be equipped (graithed)
thrawart: stubborn and obstinate, or twisted and distorted
umbles: also numbles, the edible organs of animals
chrysoprase: gemlike green chalcedony
trisulk: also trisulc, triple-pronged
speer: also speir, to ask or inquire
capriped: having feet like a goat’s
sike: a small stream or ditch
jimp: scant or dainty
fico: a trifle, or a fig