{"era":"current","word":"grinder","meaning":"one that grinds; a grinding machine or person","children":[{"era":"1200s","word":"grind + -er","meaning":"agent noun formed from grind","children":[{"era":"pre-1100","word":"grind","meaning":"to crush or reduce to powder","children":[{"era":"pre-1100","word":"Proto-Germanic *grindaną","meaning":"to grind, crush","children":[{"era":"pre-2000 BCE","word":"Proto-Indo-European *ghrendh-","meaning":"to crush or grind","children":[],"language":"Proto-Indo-European"}],"language":"Proto-Germanic"}],"language":"Old English"}],"language":"English"}],"language":"Modern English"}