synaxarion

[ see-nah-ksah-ree-awn; English sin-ak-sair-ee-on ]
/ ˌsi nɑˈksɑ ri ɔn; English ˌsɪn ækˈsɛər iˌɒn /

noun, plural sy·na·xa·ri·a [see-nah-ksah-ree-ah; English sin-ak-sair-ee-uh] /ˌsi nɑˈksɑ ri ɑ; English ˌsɪn ækˈsɛər i ə/. Greek Orthodox Church.

a summary of the life of a saint or of the particulars of a feast, read at the orthros.
a book containing such summaries.

Origin of synaxarion

1840–50; < Medieval Greek synaxárion, equivalent to sýnax(is) synaxis + -arion -ary