How do you make an esse?

Answer 1

Esse is the Latin word for "to be."

Do you mean the German letter known as Eszett? This is a ligature (combined writing) of two different forms of the lower-case letter "s": the so-called "long s" followed by the "short s" form universally used today.

The "long s" (ſ) is familiar to many Americans from the calligraphy on the U.S. Declaration of Independence. It looks like a lower-case letter "f" with no crossbar, or with a crossbar only on the left side.

The two letters, drawn together, produce a character not unlike a lower-case Greek letter beta, but with a noticeable gap at the base:

ß