KNOT n.
A figure the lines of which are interlaced or intricately interwoven, as in embroidery, gardening, etc. "Garden knots." Bacon. Flowers worthy of paradise, which, not nice art In beds and curious knots, but nature boon Poured forth profuse on hill, and dale, and plain. Milton.
PERPLEX v. 2 definitions
To involve; to entangle; to make intricate or complicated, and difficult to be unraveled or understood; as, to perplex one with doubts. No artful wildness to perplex the scene. Pope. What was thought obscure, perplexed, and too hard for our weak parts, will lie open to the understanding in a fair view. Locke.…