Final answer:
The euphemism for the condition when a soldier experiences severe anxiety triggered by combat is called 'Operational exhaustion'.
Step-by-step explanation:
The euphemism that has been used to refer to the condition when a soldier experiences severe anxiety triggered by combat is Operational exhaustion. This term is used to describe the psychological and emotional stress that soldiers may face as a result of their military service. It is a more subtle way of referring to this condition, avoiding the negative connotations associated with terms like 'severe anxiety'.
Learn more about Euphemism for the condition when a soldier experiences severe anxiety triggered by combat