Psychological trauma is a type of damage to the psyche that occurs as a result of a severely distressing event. Trauma, which means "wound" in Greek, is often the result of an overwhelming amount of stress that exceeds one's ability to cope or integrate the emotions involved with that experience. A traumatic event involves one experience, or repeating events with the sense of being overwhelmed that can be delayed by weeks, years, or even decades as the person struggles to cope with the immediate circumstances, eventually leading to serious, long-term negative consequences, often overlooked even by mental health professionals: "If clinicians fail to look through a trauma lens and to conceptualize client problems as related possibly to current or past trauma, they may fail to see that trauma victims, young and old, organize much of their lives around repetitive patterns of reliving and warding off traumatic memories, reminders, and affects." Trauma can be caused by a wide variety of events, but there are a few common aspects.