E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Cucumber Time.
The dull season in the tailoring trade. The Germans call it Die saure Gurken Zeit (pickled gherkin time). Hence the expression Tailors are vegetarians, because they live on cucumber when without work, and on cabbage when in full employ. (Notes and Queries.) (See GHERKIN.)