Answer:
the real meaning of the euphemism said as "Friendly Fire" is to kill soldiers on your own side accidentally.
Step-by-step explanation:
Euphemism is an innocuous word expression to literate some action or thing which is directly very harsh in approach. thereby, to soothen up, it uses other indirect word expression which do not blandly is harsh.
here, "Friendly Fire" is the indirect word expression for the direct blunt action of causing death or fatal injury to the soldiers of own side during war or battle intricacies, by some accidental causes or similar such circumstances.
the harshness of inflicting grievous hurt to own soldier is soothen up by using the expression friendly, and as causing hurt by fire.