E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Abstemious,
according to Fabius and Aulus Gellius, is compounded of abs and temetum. Temetum was a strong, intoxicating drink, allied to the Greek methu (strong drink).
1
Vinum prisca lingua temtum appellabant.Aulus Gettius, x. 23.