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telesterion

American  
[tel-uh-steer-ee-on] / ˌtɛl əˈstɪər iˌɒn /

noun

plural

telesteria
  1. (in ancient Greece) a building in which religious mysteries were celebrated.


Etymology

Origin of telesterion

< Greek telestḗrion place for initiation, equivalent to teles-, stem of teleîn to fulfill, initiate ( see tele- 2) + -tērion neuter noun suffix denoting place