The meaning of “בַּעְשָׁא”

“Behold, I will take away the posterity of Baasha, and the posterity of his house; and will make thy house like the house of Jeroboam the son of Nebat.”

“And I will make the house of Ahab like the house of Jeroboam the son of Nebat, and like the house of Baasha the son of Ahijah:”

“And it came to pass, when Baasha heard it, that he left off building of Ramah, and let his work cease.”

“Now the pit wherein Ishmael had cast all the dead bodies of the men, whom he had slain because of Gedaliah, was it which Asa the king had made for fear of Baasha king of Israel: and Ishmael the son of Nethaniah filled it with them that were slain.”