bout
A period of something, especially one painful or unpleasant, like an illness.
Other meanings
A boxing match.
An assault (a fencing encounter) at which the score is kept.
Word history
From Old English "byht" (a bend, curve).
Where this comes from
This definition is adapted from “bout” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.