{"era":"current","word":"lullaby","meaning":"a gentle song used to soothe a child to sleep","children":[{"era":"1100s-1400s","word":"lull","meaning":"to soothe to sleep; to quiet","children":[],"language":"Middle English"},{"era":"early modern","word":"bye","meaning":"a soothing refrain used with children","children":[],"language":"nursery speech"}],"language":"Modern English"}