- spurt (v.)
- "to gush out, squirt," 1560s, variant of spirt, perhaps cognate with Middle High German spürzen "to spit," and sprützen "to squirt" (see sprout (v.)). Related: Spurted; spurting. The noun in this sense is attested from 1775.
- spurt (n.)
- "brief burst of activity," 1560s, variant of spirt "brief period of time" (1540s), of uncertain origin, perhaps somehow connected with spurt (v.).