political animal

The story

1. Ancient Greek · calque ofπολιτικὸν ζῷον
2. English todaypolitical animal

Calque of Ancient Greek πολιτικὸν ζῷον (politikòn zōîon), originally a concept taken from Aristotle at various places (History of Animals, Politics), though later as character type – possibly inherited in political families – introduced into everyday politics without philosophical background.