thanks

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.

intj

1. Used to express appreciation or gratitude.
   Could you give me a hand, please? — Yes, sure. — Thanks.
   Your last gift, for which thanks, made my family so happy.
   Thanks, courteous wall: Jove shield thee well for this! ~1595, Shakespeare, A Midsummer Night's Dream, act 5, scene 1

noun

1. An expression of gratitude.
   After all I’ve done, a simple acknowledgment is all the thanks I get?
2. Grateful feelings or thoughts.

noun

1. (obsolete) plural of thank

verb

1. third-person singular simple present indicative of thank