In Spanish anoranza comes from the verb anorar (to feel nostalgia), which comes from the Catalan enyorar, itself derived from the Latin word ignorare (to be unaware of, not know, not experience; to lack or miss), In that etymological light nostalgia seems something like the pain of ignorance, of not knowing. You are far away, and I don't know what has become of you. My country is far away, and I don't know what is happening there