convergent evolution
So in spanish and italian there's a word, ciao, that means hello or goodbye, informally. You all know that.
In english there's a way of saying good bye, I'll see you later, shortened to I'll see you, shortened to 'see you, pronounced, when said quickly, as ciyou.
In english there's a way of saying good bye, I'll see you later, shortened to I'll see you, shortened to 'see you, pronounced, when said quickly, as ciyou.