EntityQ1398895· pop 18· linked from 88 articlestrifunctional hypothesisSign in to savehypothesis that Proto-Indo-European society had 3 castes—priests, warriors, commoners—corresponding to the 3 functions of the sacral, the martial and the economicConnectionsProto-Indo-European mythologyEntityRussiaCountryPlatoEntitySocratesEntitywarEntityagricultureEntityIndo-EuropeanEntityIliadEntityInternational Standard Book NumberEntitymilitaryEntityeconomyEntityPrussiaEntitymythEntitysovereigntyEntityFrenchEntityepic poemEntityJupiterEntitydigital object identifierEntityThorEntitydeityEntityCategories1930s introductionsAnthropologyComparative mythologyMythological archetypesProto-Indo-EuropeansSocial classesSociological theories