Exorusso combines ex (out) and orusso (to dig). It appears in Mark 2:4, where four men carrying a paralytic 'dug through' (exoruxantes) the roof to lower their friend to Jesus. It also appears in Galatians 4:15 where Paul says the Galatians would have 'gouged out their eyes' to give to him. Both uses convey radical, costly action motivated by love.
The friends who dug through the roof for their paralyzed companion model intercessory faith in action. They did not wait for a convenient opportunity; they created one. The exorusso of their digging is an image of the kind of friendship that refuses to accept 'no access' to Jesus. This is what prayer looks like — breaking through every obstacle to bring a loved one before Christ. The Galatians' willingness to 'gouge out their eyes' shows the depth of their original love for Paul — and makes their current desertion of the gospel all the more heartbreaking.