{"era":"current","word":"acquaintance","meaning":"current meaning","children":[{"era":"14th century","word":"acquaintance","meaning":"acquaintance","children":[{"era":"13th century","word":"acointance","meaning":"knowledge, intimacy","children":[{"era":"12th century","word":"acointer","meaning":"to make known, to know","children":[{"era":"post-classical","word":"accognoscere","meaning":"to know well","children":[{"era":"classical","word":"ad- + cognoscere","meaning":"to know, recognize","children":[],"language":"Latin"}],"language":"Vulgar Latin"}],"language":"Old French"}],"language":"Old French"}],"language":"Middle English"}],"language":"Modern English"}