Question

how invent hello word​

Answer 1

Hey friend,

The telephone inventor Graham Bell when invented telephone.He used to call his wife hello.It became a casual word.

Answer 2

HEY FRIEND....

The dictionary says it was Thomas Edison who put hello into common usage. He urged the people who used his phone to say "hello" when answering. His rival, Alexander Graham Bell, thought the betterword was "ahoy." "Ahoy," it turns out, had been around longer at least 100 years longer — thanhello.