The Pythagorean Echo in Hildegard’s Unheard Music
A recent post on Hildegard of Bingen explored her music and scientific pursuits. She also reported vivid visions and created a cryptic language known as lingua ignota.
A deeper look suggests that her linguistic experiment may sit within a much older intellectual tradition: the belief that the universe itself is structured like music.
The Pythagorean Echo ▪
Ancient philosophers believed that harmony governed the cosmos. Pythagoras and his followers discovered that musical intervals correspond to simple numerical ratios.
From that observation emerged the idea that planetary motion might follow similar proportions. Later writers called this the music of the spheres.
The Roman philosopher Boethius transmitted the concept to the medieval world through the idea of musica mundana, the silent harmony that binds the structure of creation.
Medieval scholars absorbed this framework through cathedral schools and monastic education. The notion that the universe possessed mathematical harmony was therefore not obscure speculation. It was part of the intellectual air of the Middle Ages.
Hildegard and the Language of Creation ▪
Hildegard composed some of the most striking sacred music of the twelfth century. Her works still sound luminous and unusual today.
She often described her compositions as emerging from visionary experience rather than ordinary invention.
In that context Lingua ignota may represent more than a curious glossary of invented words. The vocabulary lists introduce new names for humans, angels, natural objects, and divine realities.
Scholars today often interpret the language as symbolic or devotional rather than practical.
A small example illustrates how the language worked. Hildegard often inserted her invented words into ordinary Latin sentences. One surviving phrase reads:
O orzchis Ecclesia, armis divinis precincta.
A translation would read:
“O immense Church, girded with divine arms.”
The unusual word orzchis comes from lingua ignota, replacing a Latin adjective meaning great or immense. The rest of the sentence follows standard Latin grammar.
Another possibility is that the language attempted to give verbal form to the structure she believed she encountered in her visions. If cosmic harmony could exist as a kind of unheard music, a new vocabulary might serve as a way of naming that hidden order.
Hildegard received an unusually strong education for a woman of the twelfth century. The musical cosmology transmitted from Pythagorean sources through Boethius would likely have been familiar to educated clerics.
Whether she consciously drew on that tradition or absorbed it indirectly, her visions, compositions, and invented words all point toward a common theme: the world itself was thought to be written in harmony. In that light, Hildegard’s music and her mysterious vocabulary may be understood as parallel efforts to express the same experience: a hidden order that she believed resonated through creation like a vast, unheard music.
Further Reading
Boethius, De institutione musica -->
Barbara Newman, Sister of Wisdom: St. Hildegard’s Theology of the Feminine -->
Hildegard of Bingen, Litterae Ignotae alphabet from the Riesencodex manuscript, c. 1175–1190. Public domain.