First Known Use: before 12th century
Dictionary
Christendom
noun Chris·ten·dom \ˈkri-sən-dəm\
: people who are Christians
: the part of the world where most people are Christians
Full Definition of CHRISTENDOM
1
: christianity 1
2
: the part of the world in which Christianity prevails
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Origin of CHRISTENDOM
Middle English cristendom, from Old English cristendōm, from cristen
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