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azyme

American  
[az-ahym] / ˈæz aɪm /

noun

Western Church.
  1. unleavened bread used in a Eucharistic service.


Etymology

Origin of azyme

1350–1400; < Late Latin azȳma (noun), Latin azȳmus (adj.) unleavened < Greek ázȳmos, equivalent to a- a- 6 + -zȳmos (derivative of zȳ́mē leavening; zyme )