{"era":"current","word":"relax","meaning":"to rest, become less tense","children":[{"era":"1400s","word":"relaxen","meaning":"to loosen, mitigate","children":[{"era":"classical","word":"relaxare","meaning":"to loosen, widen, open","children":[{"era":"classical","word":"re- + laxare","meaning":"again + to loosen (from laxus, slack)","children":[{"era":"prehistoric","word":"*sleg-","meaning":"to be slack, languid","children":[],"language":"Proto-Indo-European"}],"language":"Latin"}],"language":"Latin"}],"language":"Middle English"}],"language":"Modern English"}