Where does “flirting” come from?

Flirting derives from English flurt, whose ultimate origin and meaning remain unknown.

flirting (English): present participle of flirt; A flirtation

Definitions

Step	Language	Word	Meaning
1	English	flirt	A sudden jerk; a quick throw or cast; a darting...
2	English	flurt	Archaic form of flirt; to mock, jibe, scorn; a...