ostiaryyoudaoicibaDictYouDict[ostiary 词源字典]
"A doorkeeper, especially of a church; specifically a member of the lowest of the four lesser orders in the pre-Reformation Western Church, and later in the Roman Catholic Church. Now historical", Late 15th cent.; earliest use found in Higden's Polychronicon. From classical Latin ōstiārius ostiarius; compare -ary.[ostiary etymology, ostiary origin, 英语词源]