/ˈkeɪdəns/
[noun] The natural rhythm or beat of something, such as music, speech, or movement. It can also refer to the rise and fall of a person's voice when they are talking.
Cadence literally means 'a falling' — every beat, every breath, every sentence is secretly a small act of surrender.
The story of cadence begins with a simple act of physics: falling. At the heart of this word lies the Latin verb *cadere*, meaning 'to fall'. This was one of the most productive roots in the entire Latin language, giving rise to dozens of words across many centuries and many tongues. The Romans used *cadere* in a very literal sense — things that fell, dropped, or tumbled down — but they also used it to describe something subtler: the way a musical phrase drops at its close, the way a sentence softens and settles as it ends.
From *cadere*, Latin formed the present participle *cadens* (falling) and the noun *cadentia*, meaning 'a falling rhythm' or 'a rhythmic descent'. This was particularly used in discussions of music and poetry, where ancient writers described the concluding passage of a melody as a kind of graceful downward motion. Latin *cadentia* passed into Old Italian as *cadenza* — a word English speakers may recognise from the world of classical music, where it names that showy solo passage near the end of a concerto movement, a kind of elaborate falling-away before the finale.
Meanwhile, the same Latin *cadentia* moved into Old French as *cadence*, keeping its musical and rhythmic sense. It was in this French form that the word entered English in the late 14th century, appearing in texts about music, poetry, and the measured movement of verse. Medieval poets were deeply interested in the music of language — in how syllables rose and fell across a line — and *cadence* gave them a perfect word for that quality of structured descent.
Over the centuries, the meaning of cadence broadened considerably. By the 17th century, English writers were using it to describe the natural rhythm of any sound — the cadence of waves, the cadence of footsteps on a cobblestone street. Speakers and orators were said to have a cadence in their delivery, a particular pattern in how their voice moved up and then settled downward at the end of a phrase. Military marching also took on the word: soldiers kept cadence by matching their footsteps to a steady beat, and drill sergeants counted cadence to keep a platoon moving in perfect time.
The Latin root *cadere* is quietly everywhere in English, though we rarely notice it. Latin *cadere* → Old French *cas* → English *case* (as in 'in that case', originally meaning 'what has fallen out' or 'what has happened'). Latin *cadere* → Old French *cheoite* → English *chance* (what falls by luck). Latin *cadere* → Old French *accident* → English *accident* (literally 'something that falls upon you'). Even *decay*, *incident*, and *coincidence* carry that same ancient falling motion inside them. To speak of cadence, then, is to participate in an extraordinarily old human observation: that rhythm itself is a kind of beautiful, controlled falling, and that meaning — in music, in speech, in life — often arrives on the way down.