'Work' in the Bible

But the ruler of the synagogue, indignant because Jesus had healed on the Sabbath, answered [and] said to the crowd, "There are six days on which it is necessary to work. Therefore come [and] be healed on them, and not on the day of the Sabbath!"

And he said to them, "Go [and] tell that fox, 'Behold, I am expelling demons and performing healings today and tomorrow, and on the third [day] I will complete [my work].'