spurtletn.

/ˈspəːtlɪt/Etymology:  <  spurt n.1 or spurt n.3 + -let suffix.
 rare.
the world > time > duration > shortness or brevity in time > 			[noun]		 > short spell of something
1921    E. M. Forster Let. 28 Sept. in   		(1953)	 132  				I annoyed him.., and he had a spurtlet of temper and said I was not his friend.
 This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2021).