Ampersand From the Latin ET (meaning and), it is a logical language, which means that the two belong to the indispensable relationship in logic, and it also means that the meaning is the meaning of one person and another person, which is synonymous with and. For example, a & B means a and B, a and B, a × B.
The earliest history of the character & can be traced back to the first century A.D., the earliest is the Latin ET (meaning and). The earliest is the combination of E and T, and later through some evolution, formed a fixed combination, and then evolved into a symbol. This symbol is almost the same as the ET hyphenation of some ancient Western Fonts.
Source: @violetcrowntherapy