The conversation between human and AI assistant.
[|Human|] What is the origin of Hello ?
[|AI|] According to the Oxford English Dictionary, hello is an alteration of hallo, hollo,[1] which came from Old High German "halÃ¢, holÃ¢, emphatic imperative of halÃ´n, holÃ´n to fetch, used especially in hailing a ferryman".[5] It also connects the development of hello to the influence of an earlier form, holla, whose origin is in the French holÃ  (roughly, 'whoa there!', from French lÃ  'there')
[|Human|] 
What is the origin of Hello ?