{"era":"current","word":"yearbook","meaning":"an annual publication, especially one issued by a school or organization","children":[{"era":"current","word":"year","meaning":"a period of twelve months","children":[{"era":"pre-1100","word":"Old English gēar","meaning":"year","children":[{"era":"pre-1100","word":"Proto-Germanic *jērą","meaning":"year","children":[],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Modern English"},{"era":"current","word":"book","meaning":"a written or printed work consisting of pages","children":[{"era":"pre-1100","word":"Old English bōc","meaning":"book; writing","children":[{"era":"pre-1100","word":"Proto-Germanic *bōks","meaning":"book; writing; beech tree","children":[],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"Modern English"}],"language":"Modern English"}