Meaning

noun a pre-Christian priest among the Celts of ancient Gaul and Britain and Ireland

originBorrowed from French druide, from Old French, via Latin Druidae, from Gaulish *druwits, from Proto-Celtic *druwits (literally either “oak-knower” or “firm knower, great sage”), from either Proto-Indo-European *dóru (“tree”) or *drew- (“solid, firm, hard”) and *weyd- (“to see, to have knowledge”) (whence also English wizard; Proto-Slavic *vědьma (> Russian ве́дьма (védʹma))). The earliest record…

Etymology from Wiktionary, CC BY-SA 3.0