The story
PIE word *h₂énti From un- (suffix denoting the inverse of the specified action) + ravel. cognates * Dutch ontrafelen (“to unravel”)
Etymology from Wiktionary, CC BY-SA 4.0.
unravel
un·rav·elToday it means: To cause (something) to no longer be ravelled or tangled; to disentangle, to untangle. Full definition →