teetotum

noun

tee·​to·​tum ˈtē-ˈtō-təm 

: a small top usually inscribed with letters and used in put-and-take

Word History

Etymology

tee entry 1 + Latin totum all, from neuter of totus whole; from the letter T inscribed on one side as an abbreviation of totum (take) all

First Known Use

1720, in the meaning defined above