1
Stage 1 of 3
oikos
Greek · ancient
"house, household"
household, combined with logos (study) for the study of one's surroundings
2
Stage 2 of 3
okologie
German · 1860s
"the study of organisms and their environment"
coined by biologist Ernst Haeckel for the study of organisms and environment
3
Stage 3 of 3
ecology
English · 1890s
"the study of organisms and their environment"
settled as the English name for the science
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