You run up the field, pass the ball to the forward and she scores! It’s your third assist of the game. On and off the soccer field, to assist is to help or contribute.
The English word assist came to us in the early 15th century from the French word assister, meaning to "to stand by or help.” The French word is pronounced "ah-sis-tay" and is not to be confused with "a sister." Even if your sister is helpful.