It is indeed a strange world. Greek yogurt is a thing to... I'm starting to think they're up to something.I'm no scientist, but Greek things make me happy and I'm glad to say that the etymology of 'coccyx' is from the Greek word 'kokkyx', which is their word for the cuckoo bird.
Apparently some early Greek doctor decided that bone looked like the beak of a cuckoo, and now here we are.