TRISAGION
Source: 567
‖Tris‐ag″i‐on (?), n. [] (Eccl.) An ancient anthem, — usually known by its Latin name tersanctus.See Tersanctus.
Source: 567
‖Tris‐ag″i‐on (?), n. [] (Eccl.) An ancient anthem, — usually known by its Latin name tersanctus.See Tersanctus.