“com" - root meaning: "with”
“passion" - root word is passus, meaning: “pain, suffering”
To share in someone’s pain, to suffer with them - this is the true and literal meaning of compassion. None of us really know that it means so much more than just “feeling bad.”
To have passion for something means that without it, we would experience pain and suffering. With that said, I think it’s safe to say that our friends are something we’re passionate for. So shouldn’t we have compassion for those which we’re passionate for? I certainly think so.