Monday was a public holiday in Korea – where I live – so there was no Monday Masterclass this week. It will return next week. In the meantime, here’s a new word for the Lexicon.
Pathology . a violent fever with delirium, affecting persons in the tropics.
1585–95; earlier calentura < Spanish: fever, equivalent to calent ( ar ) to heat (< Latin calent-, stem of calēns, present participle of calēre to be hot) + –ura -ure
cal·en·tu·ral, cal·en·tu·rish, adjective
I had several men died in my ship of calentures, so that I was forced to get recruits out of Barbadoes, and the Leeward Islands
Source: Gulliver’s Travels by Jonathan Swift.