Meaning

adjective strange in an interesting or pleasing way

adjective very strange or unusual; odd or even incongruous in character or appearance; - Bill Beatty; - Sir Walter Scott

adjective attractively old-fashioned (but not necessarily authentic)

originFrom Middle English queynte, quoynte, from Anglo-Norman cointe, queinte and Old French cointe (“pretty, clever, knowing”), from Latin cognitus, past participle of cognōscō (“to know”).

Etymology from Wiktionary, CC BY-SA 3.0