Answer:
There is one word that stands the test of time and holds fast to the center of everything. Though everyone will try at least once in their life to move around this word, but in fact, unknowingly, they use it every moment of the day. Young or old, awake or in sleep, human or animal, this word stands fast. It belongs to everyone, to all living things, but no one can master it. The word is?
What can't you see, hear or feel, until its too late. What shadows love, and shopkeepers hate?
What asks but never answers?
My first is in wield, sever bones and marrow. My second is in blade, forged in cold steel. My third is in arbalest, and also in arrows. My fourth is in power, plunged through a shield. My fifth is in honor, and also in vows My last will put an end to it all.
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
What is so fragile that saying its name breaks it?