allegory (n.) Look up allegory at Dictionary.com
late 14c., from Old French allegorie (12c.), from Latin allegoria, from Greek allegoria "figurative language, description of one thing under the image of another," literally "a speaking about something else," from allos "another, different" (see alias (adv.)) + agoreuein "speak openly, speak in the assembly," from agora "assembly" (see agora).