Yes, this. "Ok, what I just heard you say was X." Putting the other person in a position of security, knowing they were heard has another benefit: now you can

Yes, this. "Ok, what I just heard you say was X." Putting the other person in a position of security, knowing they were heard has another benefit: now you can ask them to consider another way of looking at the same issue. It might be your counter argument, or maybe asking them to develop some empathy for why some third party acted the way they did or whatever. This is a gentle and respectful way forward when tempers are making it difficult to have a discussion.