{"era":"~400 BC","word":"gē (γῆ) + -logía (-λογία)","meaning":"Study of the earth. From gē (earth) + logos (study, discourse).","children":[{"era":"1735","word":"geology","meaning":"The study of Earth's structure.","language":"English"},{"era":"1800s","word":"geología","meaning":"Geology.","language":"Spanish"}],"language":"Greek"}