{"era":"current","word":"franc","meaning":"a unit of currency","children":[{"era":"1300s","word":"franc","meaning":"a coin, from the inscription 'Francorum Rex'","children":[{"era":"null","word":"Francus","meaning":"a Frankish person, free man","children":[{"era":"null","word":"*frankōn-","meaning":"a Frank (Germanic tribe)","children":[],"language":"Proto-Germanic"}],"language":"Medieval Latin"}],"language":"Old French"}],"language":"Modern English"}