Origin: L. E-migro, pp. -atus, to emigrate migration from a place (especially migration from your native country in order to settle in another).Pertaining to animals that are moving away from their natural environment into another geographical niche.
+ one-way outward movement
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... physical, ethnic distinctions among humans shaped by the "accidents" of geography and climate, and the willful contributions of war, emigration, and other factors. In another thread here it is mentioned that the Amish forbid marriage outside of the community. A community based on ...
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