{"era":"current","word":"incentive","meaning":"A thing that motivates or encourages someone to do something.","children":[{"era":"classical","word":"incentivus","meaning":"stimulating, inciting","children":[{"era":"classical","word":"incinere","meaning":"to sing, to incite","children":[{"era":"classical","word":"in-","meaning":"in, into","children":[],"language":"Latin"},{"era":"classical","word":"canere","meaning":"to sing","children":[{"era":"pre-2500 BCE","word":"*ken-","meaning":"to set in motion, to sing","children":[],"language":"Proto-Indo-European"}],"language":"Latin"}],"language":"Latin"}],"language":"Late Latin"}],"language":"Modern English"}