{"era":"current","word":"ruble","meaning":"the basic monetary unit of Russia and some neighboring states","children":[{"era":"1200s","word":"рубль","meaning":"a ruble; originally a cut-off piece of silver","children":[{"era":"pre-1300","word":"рубить","meaning":"to chop or cut","children":[],"language":"Old East Slavic"}],"language":"Russian"}],"language":"Modern English"}