alco-

  1. a combining form representing alcohol in compound words (alcogas), sometimes with the sense “using alcohol as fuel” (alcoboat; alcotruck).

Origin of alco-

by false analysis of alcohol as alco- (an assumed combining form with -o-) + -hol
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018