sesterce

 
Pronunciation: /ˈsɛstəːs/
(also sestertius /sɛˈstəːʃəs/)

noun (plural sesterces /-siːz/ or sestertii /-ˈstəːʃɪiː/)

  • an ancient Roman coin and monetary unit equal to one quarter of a denarius.

Origin:

from Latin sestertius (nummus) '(coin) that is two and a half (asses)'