{"era":"current","word":"bumpy","meaning":"rough or covered with bumps; causing jolts and irregular movement","children":[{"era":"1500s","word":"bump","meaning":"a shock, blow, or raised swelling","children":[{"era":"older","word":"Danish bump","meaning":"a thump","children":[],"language":"Danish"}],"language":"Early Modern English"},{"era":"Middle English","word":"-y","meaning":"adjective-forming suffix","children":[],"language":"English"}],"language":"Modern English"}