{"era":"current","word":"theorist","meaning":"a person who develops or proposes theories, especially in the arts or sciences","children":[{"era":"current","word":"theory","meaning":"a system of ideas or principles explaining something","children":[{"era":"classical","word":"theōria","meaning":"contemplation; viewing","children":[],"language":"Ancient Greek"}],"language":"Modern English"},{"era":"current","word":"-ist","meaning":"agentive suffix forming nouns for people associated with a field or activity","children":[],"language":"English"}],"language":"Modern English"}