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heortology

American  
[hee-awr-tol-uh-jee] / ˌhi ɔrˈtɒl ə dʒi /

noun

  1. the study of the history and significance of the feasts and seasons in the ecclesiastical calendar.


Etymology

Origin of heortology

1900–05; < Greek heort ( ) a feast, festival + -o- + -logy