synaxis

[ si-nak-sis ]
/ sɪˈnæk sɪs /

noun, plural syn·ax·es [si-nak-seez] /sɪˈnæk siz/.

an assembly for religious worship, especially for the celebration of the Eucharist.

Origin of synaxis

1615–25; < Late Latin < Medieval Greek sýnaxis, equivalent to synág(ein) to meet together (see synagogue) + -sis -sis