ab·ste·mi·ous 
(ăb-stēmē-əs, əb-)
(ăb-stēmē-əs, əb-)adj.
1. Eating and drinking in moderation.
2. Characterized by abstinence or moderation: an abstemious way of life.
[From Latin abstēmius : abs-, ab-, away; see AB-1 + *tēmum, liquor, variant of tēmētum.]
ab·stemi·ous·ly adv.
ab·stemi·ous·ness n.