the.com/excommunication

The church's way of unfriending you, but for eternity and with incense.

means The formal act of expelling someone from membership and sacraments of a church, cutting them off from its community and rites.

from From Late Latin excommunicare — ex- ('out of') plus communicare ('to share, make common,' the root behind 'communion' and 'community'). So at its root it simply means 'to put out of the community' — the same word that gives us communion is here run in reverse.

not a curse
it bars sacraments, not your soul's fate directly
famous recipient
martin luther got the letter in 1521
reversible
repentance and reconciliation can lift it
still active
catholic canon law still formally uses it today
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