So in that sense, historically, the German letter that's written kind of like the letter B (the Eszett) does historically come from a ligature of the long S and the letter Z even though it is pronounced as a double S today.
因此从这个意义说,从历,写法有点像 B(Eszett)德语在历确实来自长 S 和 Z 连,尽管今天它发音是双 S。