abstemious
adjective /əbˈstiːmiəs/
/əbˈstiːmiəs/
(formal)- not allowing yourself to have much food or alcohol, or to do things that are fun
- He was a hard-working man with abstemious habits.
Word Originearly 17th cent.: from Latin abstemius, (from ab- ‘from’ + a word related to temetum ‘alcoholic liquor’) + -ous.