Verb
knit up (third-person singular simple present knits up, present participle knitting up, simple past and past participle knitted up)
(transitive) To close up or draw together by knitting.
Love is the world's infinite mutability; lies, hatred, murder even, are all knit up in it; it is the inevitable blossoming of its opposites, a magnificent rose smelling faintly of blood. Tony Kushner