ljuv (Swedish) comes from Old Swedish liuver, from Old Norse ljúfr, from Proto-Norse ᛚᛖᚢᛒᚨᛉ, from Proto-Germanic leubaz, from Proto-Indo-European lewbʰ-, from Proto-Indo-European lēw- — to sound, resound, sing out; to leave.
ljuv (Swedish): lovely, sweet, pleasant