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I know the meaning of friendly fire, but I never thought about it too much, if you are shooting someone who is your brother in arms, it's not like I'm not going to shoot someone just referring mostly to FPS as you probably guessed already, how can the fire be 'friendly', any idea about the origin of the word?

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closed as general reference by Mark Beadles, Mahnax, tchrist, Gnawme, FumbleFingers Jun 6 '12 at 1:12

This question is too basic; it can be definitively and permanently answered by a single link to a standard internet reference source designed specifically to find that type of information.If this question can be reworded to fit the rules in the help center, please edit the question.

Did you do any research you do prior to asking this question? – Mark Beadles Jun 5 '12 at 23:07
Google isn't the best tool for researching phrases. Try encyclopedias and dictionaries specifically, e.g. Wikipedia: "Friendly fire is inadvertent firing towards one's own or otherwise friendly forces". – Mark Beadles Jun 5 '12 at 23:24
The OED’s definition of “friendly fire” is “Mil. Of troops, equipment, etc.: of, belonging to, or in alliance with one's own forces; spec. resulting in accidental damage by allied troops to one's own installations, aircraft, or personnel, esp. as in friendly fire.” Seems like General Reference to me. – tchrist Jun 6 '12 at 0:50
Plain and simple: friendly fire is the opposite of hostile fire. – J.R. Jun 6 '12 at 1:13
@Mitch: FPS is probably First Person Shooter (video game) in this context. – Lynn Jun 6 '12 at 1:30
up vote 4 down vote accepted

If you consider "enemy" to be the opposite of "friend," the any fire you come under in battle is either from your enemies or your friends. That from your friends is "friendly" in the locative sense (coming from your friends) rather than describing the behavior of friends.

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