ravel:
1.
to become entangled
Gent. III. ii. 52
“as you unwind her love
from him, Lest it should ravel,”
. . .;
Mac. II. ii. 38
“the ravell'd sleave of
care.”
2.
“
out,” disentangle, make plain or clear
R2 IV. i. 228, Ham. III. iv.
186.