{"era":"current","word":"sensor","meaning":"A device that detects or measures","children":[{"era":"17th century","word":"sensorium","meaning":"the seat of sensation","children":[{"era":"classical","word":"sensus","meaning":"sense, feeling","children":[{"era":"classical","word":"sentire","meaning":"to feel, perceive","children":[{"era":"pre-800s BCE","word":"*sent-","meaning":"to go, to perceive","children":[],"language":"Proto-Indo-European"}],"language":"Latin"}],"language":"Latin"}],"language":"Latin (via English 'sensory')"}],"language":"Modern English"}