Quote Originally Posted by perrea View Post
Thanks, and I'm getting the visual now that it means something "banged out", "squeezed out" since бой means "hit", or implies some sort of violence, and из "out of" But it you say it is a pretty useless word I think that's enough. What do you think of my amateur, I am not a native Russian, etymology?
cheers!
I think you may be right in your etymology, but as far I as understand language development processes it is very difficult to get that sort of things correct. Even if I know the meaning of "из" and "боина" (from the words like "выбоина", "пробоина") I cannot guess the meaning of "избоина".