trauma is a still-unhealed wound, still carried within oneself
traumatic event, or traumatizing event, is the thing that caused the trauma
often ‘trauma’ is used to mean traumatizing event.
this seems fine to me, so long as the meaning is understood.
However,
The distinction between trauma and traumatizing event is perhaps not widely understood or recognized.
Do you see why this is a good difference to recognize?
Besides writing, SeekerFive creates visual art and designs under his Leaf Town brand. Some of these can be seen on Instagram @leaftowndesigns, https://www.instagram.com/leaftowndesigns. Currently he is emphasizing face mask designs.
Images by (and property of) SeekerFive unless otherwise indicated.