teetotalism

noun

practice or promotion of complete personal abstinence from alcoholic beverages

Wiktionary

noun

Etymology: Etymology tree English teetotal Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ισμός (-ismós)der. English -ism English teetotalism From teetotal + -ism.

Abstinence from the consumption of alcohol.