411 REFERENCE · Wiktionary
Pentecostarion
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
en grc Πεντηκοστάριον
Noun
Pentecostaria
en Christianity A liturgical book for the Paschal season, used by the Eastern Orthodox and Eastern Catholic Churches that follow the Byzantine Rite.