Etymology

Blend of Hispano-Celtic *agranio ‎(“sloe”) (compare Aragonese arañon, Catalan aranyó) and Late Latin rodandarum, lorandrum, variants of Latin rhododendron, from Ancient Greek ῥοδόδενδρον ‎(rhodódendron), from ῥόδον ‎(rhódon, “rose”) + δένδρον ‎(déndron, “tree”).