pentecostarion

[ pen-dee-kaws-tah-ree-awn; English pen-ti-ko-stair-ee-on ]

noun

, Greek Orthodox Church.

, plural pen·te·cos·ta·ri·a [pen-dee-kaws-, tah, -, r, ee-ah, pen-ti-ko-, stair, -ee-, uh], pen·te·cos·ta·ri·ons.

1. a service book of offices for the period from Easter to the Sunday after Pentecost.

Word History and Origins

Origin of pentecostarion¹

< Late Greek pentēkostárion, equivalent to Greek pentēkost ( ḗ ) Pentecost + -arion < Latin -ārium -ary