Why did he cut Gawain on the Rd swing?

In the Arthurian legend, Sir Gawain is cut during the swing of the Green Knight's axe as part of a test of courage and honor. The Green Knight challenges Arthur's court, and Gawain steps forward to take the challenge, demonstrating his bravery. The cut serves as a symbolic act, illustrating Gawain's willingness to face danger and the complexities of chivalric values, including the balance between honor and mortality. This moment also sets the stage for Gawain's subsequent journey of self-discovery and redemption.