Adventures in Etymology – Plain Planes

Are the words plain, plane and plan related? Let’s find out in this Adventure in Etymology. Plain [pleɪn] as an adjective can mean: Simple, unaltered, ordinary, unsophisticated. Obvious, evident. Open, honest, candid. Unattractive Flat, level (rare, regional) It comes from Middle English pleyn (clear, unambiguous), from Anglo-Norman pleyn (plain), from Old French plain (plain [flat […]