{"era":"current","word":"shiver","meaning":"to tremble or shake, especially from cold or fear","children":[{"era":"c. 1200","word":"chiveren","meaning":"to shiver; perhaps a blend of chillen and biveren","children":[{"era":"late 14th c.","word":"chillen","meaning":"to feel cold or make cold","children":[],"language":"Middle English"},{"era":"Middle English","word":"biveren","meaning":"to shake, tremble","children":[],"language":"Middle English"}],"language":"Middle English"}],"language":"Modern English"}