Rashi, 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 millstones This is hard labor, i.e., subordinate yourself from now on, to the kings of Persia and Media. Alternatively: And grind flour for supplies on the road of your exile. bare your covered parts Your arms and your legs, parts veiled, tied, and covered. uncover the paths Heb. חֶשְׂפִּי שֹׁבֶל. Uncover the paths of the water that is upon them, for that way you shall go out into exile, or bare your leg and cross rivers.”

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