Grist, n.
n. [A-S. grist, gerst, grist, pearled barley, allied to Gr. κριθή, Lat. hordeum, barley.]
Sense 1. That which is ground at one time; as much grain as is carried to the mill at one time, or the meal it produces.
Get grist to the mill to have plenty in store. Tusser.
Sense 2. Supply; provision. Swift.