a combining form extracted from alcoholic, occurring as the final element in compounds, often facetious nonce words, with the sense “a person who has an addiction to or obsession with some object or activity”: workaholic; chargeaholic.
Origin of -aholic
by extraction, with a replacing o as the spelling of the unstressed vowel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
word-forming element abstracted from alcoholic; first in sugarholic (1965), foodoholic (sic., 1965); later in workaholic (1968), golfaholic (1971), chocoholic (1971), and shopaholic (1984).
Online Etymology Dictionary, © 2010 Douglas Harper