downstroke
/ˈdaʊnˌstɹoʊk/Definitions
1. noun
A downward movement of a pen or brush, especially in drawing or painting.
“The artist’s bold downstroke added energy to the landscape.”
2. verb
To make a downward movement with a pen or brush in writing or drawing.
“She downstroked the letter with a flourish to finish the signature.”