E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Medicinal Days.
The sixth, eighth, tenth, twelfth, sixteenth, eighteenth, etc., of a disease; so called because. according to Hippoc’rats, no “crisis” occurs on these days, and medicine may be safely administered. (See CRISIS.)
s, no “crisis” occurs on these days, and medicine may be safely administered. (See C
