'Addeth' in the Bible

And Abner addeth again, saying unto Asahel, 'Turn thee aside from after me, why do I smite thee to the earth? and how do I lift up my face unto Joab thy brother?'

And Ahimaaz son of Zadok addeth again, and saith unto Joab, 'And whatever it be, let me run, I pray thee, I also, after the Cushite.' And Joab saith, 'Why is this -- thou art running, my son, and for thee there are no tidings found?' --

And the anger of Jehovah addeth to burn against Israel, and an adversary moveth David about them, saying, 'Go, number Israel and Judah.'