pse‧phol‧o‧gy /seˈfɒlədʒi $ siːˈfɑː-/
noun [uncountable] British English technical[
Date: 1900-2000;
Language: Greek;
Origin: psephos 'small stone, vote'; because the ancient Greeks used small stones for voting]
the study of how people vote in elections
—psephologist noun [countable] [TahlilGaran] Dictionary of Contemporary English ▲