KJV
Who [art] thou, O great mountain? before
Zerubbabel [thou shalt become] a plain: and he shall bring forth the
headstone [thereof with] shoutings, [crying], Grace, grace unto it.
BSB
What are you, O great mountain? Before Zerubbabel you will become a plain. Then he will bring forth the capstone accompanied by shouts of ‘Grace, grace to it!’”