Ibn Ezra, on Isa 47:2

“Take a millstone and grind meal: uncover thy shame, strip thy shoulder, make bare thy legs, pass over the rivers.”

“Take the millstones, etc., as handmaids do; for thou wilt go into captivity. Meal. This is a prolepsis. Comp. And stripped the naked of their clothing (Job 22:6). צמתך Thy crown. The hair upon the head. שובל Locks. The hair that hangs down over the cheeks. R. Moses Hakkohen compares שובל with שבלת the channel of the river (27:12), but I consider it as hap. leg., and its meaning can only be found from the context, without being supported by any. parallel passage. Pass over the rivers, in order to grind.”

Imported from an open dataset — not yet checked against the printed edition.