{"era":"current","word":"peso","meaning":"a Spanish coin or monetary unit","children":[{"era":"1550s","word":"peso","meaning":"a weight; a coin","children":[{"era":"medieval","word":"pensum","meaning":"something weighed","children":[{"era":"classical","word":"pendere","meaning":"to weigh; to hang; to pay","children":[{"era":null,"word":"*(s)pen-","meaning":"to draw, stretch, spin","children":[],"language":"Proto-Indo-European"}],"language":"Latin"}],"language":"Medieval Latin"}],"language":"Spanish"}],"language":"Modern English"}