'Ago' in the Bible

As for the donkeys that wandered away from you three days ago, don’t worry about them because they’ve been found. And who does all Israel desire but you and all your father’s family?”

Then David said to him, “Who do you belong to? Where are you from?”“I’m an Egyptian, the slave of an Amalekite man,” he said. “My master abandoned me when I got sick three days ago.