'Enthusiasm' in the Bible

"If it is," Jehu replied, "Put out your hand." So Jehonadab stuck out his hand, and Jehu took him up to stand in his chariot. He told him, "Come with me and see my enthusiasm for the LORD!" So Jehu had Jehonadab ride in his chariot.

""Because this is what the Lord GOD says: "Motivated by my burning zealousness, I have spoken against the rest of the surrounding nations, including Edom, who confiscated my land, taking possession of it with joyful enthusiasm and with animal-like malice, in order to plunder Israel's pastures.'

He will rouse his strength and enthusiasm against the king of the south with a large army. The king of the south will wage war with a large and very powerful army, but he will not be able to prevail because of the plans devised against him.