Perhaps not all of us are familiar with this word, which I saw on realestate sign next door.
escrow
n.
OFr escroue, roll of writings, bond < ML scroda < MDu schrot, piece cut off: see SHRED6 Law a written agreement or something of value put in the care of a third party and not delivered until certain conditions are fulfilled
>in escrow Law put in the care of a third party until certain conditions are fulfilled, as a deed, money, etc.

The etymology given above is disappointing. Anybody know more about this?