{"era":"current","word":"strive","meaning":"to exert great effort toward a goal","children":[{"era":"1100s-1400s","word":"Middle English striven","meaning":"to contend or struggle","children":[{"era":"1100s","word":"Old French estriver","meaning":"to contend, quarrel, struggle","children":[{"era":"pre-1100","word":"Proto-Germanic *strībaną","meaning":"to struggle or strive","children":[],"language":"Proto-Germanic"}],"language":"Old French"}],"language":"Middle English"}],"language":"Modern English"}