Originally posted by perdidobay
Run through the mill
For example, to have a millstone around ones neck is a graphic reference to the heaviest, most intractable object that anyone in a village would ever encounter.
************To be put, or to go through the mill means to be exposed to hardship or rough treatment, just like corn being ground ************ (the first citation in OED2 is from 1818, but it surely must be older in the spoken language). The proverb all is grist for the mill, meaning everything can be made useful, or be a source of profit illustrates the word grist, a quantity of corn to be ground (it derives from an Old English word from which we also get grind). The miller ground whatever was brought to him, and charged for the grinding, so all corn arriving at the mill represented income for him, regardless of its quality. Again, this is first attested in the sixteenth century, but is probably much older. The term grist mill was once common in the USA as it was in Britain to describe a mill open to all comers, who brought their batches of grain, or grists, to be ground. OED2 quotes the West Somerset Word-book of 1886: