dwimmer
Magic, magic arts; sorcery; spell; occult art.
obsolete, uncountable
"It is ill dealing with such a foe: he is a wizard both cunning and dwimmer-crafty, having many guises."
Where it comes from
From Middle English dwimmer, from Old English ġedwimor, dwimor (“illusion, delusion, sleight, magic”).
Adapted from the Wiktionary entry dwimmer (CC BY-SA 4.0).