What is in the lower case s?

yield

verb

1. produce or provide (a natural, agricultural, or industrial product).

“the land yields grapes and tobacco”

2. give way to arguments, demands, or pressure.

“the Western powers now yielded when they should have resisted”

synonyms: surrender, capitulate, submit, relent, admit defeat, back down, climb down, give in, give up the struggle, lay down one’s arms, raise/show the white flag;

noun

1. the full amount of an agricultural or industrial product.

 

This is often show in handwriting with a curved shape of a lower case s.