Hospitaller

noun

Hos·​pi·​tal·​ler ˈhä-(ˌ)spi-tᵊl-ər 

variants or Hospitaler

: a member of a religious military order established in Jerusalem in the 12th century

Word History

Etymology

Middle English Hospiteler, Hospitaler, borrowed from Anglo-French Hospiteler, borrowed from Medieval Latin Hospitālārius, from Hospitāle, the Hospital of the Knights of St. John of Jerusalem (from hospitāle "residence for pilgrims and travelers") + Latin -ārius -ary entry 1 — more at hospital

First Known Use

14th century, in the meaning defined above