Memorial service in the Eastern Orthodox Church

A memorial service (Greek: μνημόσυνον, mnemósynon, "memorial";[1] Slavonic: панихида, panikhída, from Greek παννυχίς, pannychis, "vigil";[2][3] Romanian: parastas and Serbian парастос, parastos, from Greek παράστασις, parástasis)[4] is a liturgical solemn service for the repose of the departed in the Eastern Orthodox and Byzantine Catholic churches.