{"era":"current","word":"grunt","meaning":"(of a person or animal) make a low, inarticulate sound, typically one of pain, effort, or pleasure.","children":[{"era":"1300s","word":"grunten","meaning":"to grunt","children":[{"era":"pre-600","word":"*grun","meaning":"sound of a pig (onomatopoeic)","children":[],"language":"Proto-Germanic"}],"language":"Middle English"}],"language":"Modern English"}