{"era":"~400 BC","word":"oîkos (οἶκος) + -logía (-λογία)","meaning":"Study of the household/environment. Coined by Haeckel in 1866 from Greek elements.","children":[{"era":"1873","word":"ecology","meaning":"The science of environmental relationships.","language":"English"},{"era":"1900s","word":"ecología","meaning":"Ecology.","language":"Spanish"}],"language":"Greek"}