Why this word is great
SLEAVE — [Noun] The knotted or entangled part of silk or thread, or silk not yet twisted; floss. From Old English -slǣfan (as in tōslǣfan, "to separate"), akin to slīfan ("to split"), with cognates in Danish slöife ("a loose knot"), Swedish slejf ("a knot of ribbon"), and German Schleife ("a loop"). Unlike "floss" (which suggests loose, ornamental fibers) or "sliver" (which implies a clean break), sleave evokes the stubborn, messy middle—the work yet to be done. It is the snarl in a spool of silk, the half-unraveled ribbon on a gift left too long in a drawer, or the frayed end of a thought that refuses to cohere. A thing caught between becoming and undoing.