In the early Middle Ages, a xenodochium or (from Ancient Greek ξενοδοχεῖον, xenodokheîon or xenodocheion; place for strangers, inn, guesthouse) was either a hostel or hospital, usually specifically for foreigners or , although the term could refer to charitable institutions in general. The xenodochium was a church institution that first appeared in the Byzantine world.[Guenter B. Risse, Mending Bodies, Saving Souls: A History of Hospitals (Oxford University Press, 1999), 82.] The xenodochium was a more common institution than any of its more-specific counterparts, such as the gerocomium (from γεροντοκομεῖον, gerontokomeîon; place for the old), nosocomium (from νοσοκομεῖον, nosokomeîon; place for the sick) or orphanotrophium (for orphans). A hospital for victims of plague was called a xenodochium pestiferorum (guesthouse of the plague-carriers).
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