Etymology From Middle English thanks, thankes, from Old English þancas (“thanks”), from Proto-Germanic *þankōs, nominative plural of *þankaz (“thought, gratitude”), from Proto-Indo-European *teng- (“to think, feel”). More at thank.
1
Used to express appreciation or gratitude.
Could you give me a hand, please? — Yes, sure. — Thanks. —Have you got enough now? —Yes, thanks.
Would you like some potatoes? — Thanks. —How many?
1 more example
Thanks, courteous wall: Jove shield thee well for this!c. 1595–1596 (date written), William Shakespeare, “A Midsommer Nights Dreame”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene i]:
Etymology From Middle English thanks, thankes, from Old English þancas (“thanks”), from Proto-Germanic *þankōs, nominative plural of *þankaz (“thought, gratitude”), from Proto-Indo-European *teng- (“to think, feel”). More at thank.