Apocroustic

Apocroustics, in pre-modern medicine, were medications intended to stop the flux of malignant humours to a diseased part. They were usually cold, astringent, and consisting of large particles.

References

*1728 [http://digicoll.library.wisc.edu/cgi-bin/HistSciTech/HistSciTech-idx?type=turn&entity=HistSciTech000900240156&isize=XL]