A WORD, PLEASE — echo

continuity: Next, Professor Aubrey Vellum, with a word that has spent three thousand years answering back.

the verdict: Stand at the edge of a canyon, or at the bottom of an empty stairwell, and shout your own name. Then you do something funny: you wait. You stand perfectly still, grinning, listening for the echo, because some part of you expects the world to talk back. And that little returning voice has a story much older than you'd guess.

a word, please: Echo. A word, please.

the crack: Now, people love to say the word comes from a Greek myth, about a mountain nymph named Echo who could only repeat what others said. It's a lovely story, and it has things exactly backwards. The real one is better. Long before that tale was told, the ancient Greeks had an everyday verb, ēkheîn , meaning 'to ring, to sound, to roar,' the way a bell rings or the sea roars. From it they made a plain noun, ēkhō , for a sound that rings and comes back to you. The sound came first. Then storytellers heard that strange voice in the hills and asked a wonderful question: who's in there? So they gave it a face, a nymph cursed to speak only the last words she heard, who fell hopelessly for Narcissus, a boy in love with his own reflection.

the collision: The Romans borrowed the word whole, as ēchō , and around thirteen forty it arrived in English, sounding almost exactly as it does today. In nearly seven hundred years it has hardly changed its clothes. What it has done is grow up. We echo a friend's idea in a meeting. One song echoes another. And somewhere, right this minute, someone is naming a podcast Echo-Something, quite sure nobody has ever thought of it before. The word has travelled from a ringing in the rocks, to a heartbroken girl in a story, to the way ideas bounce from person to person. Not bad for a sound that only ever repeats itself.

the glimmer: And here's the gift in it: when the Greeks heard their own voices come back from an empty mountain, they couldn't quite believe it was only rock. They decided someone must be listening. We still do that. We call out, and we hope for a friend.

the exit: That's the word. Find a stairwell today, say hello, and see who answers.