1/12 sextarius/pint; shot (liquid measure); 10 drachmae (dry measure)
Latin word, found 29 times in the texts on Socratos.
Ovid, Fasti 3.532: quot sumant cyathos, ad numerumque bibunt.
Horace, Carmina 1.29.8: ad cyathum statuetur unctis
Horace, Sermones 1.1.55: vel cyatho ac dicas ‘magno de flumine mallem
All forms of cyathus