atavism
[ at-uh-viz-uhm ]
reversion to an earlier type; throwback
USE 1
The old building stood as an atavism amidst the modern skyscrapers, a reminder of the city’s rich history.
USE 2
The scientist noted an unusual atavism in the species, where certain members exhibited traits not seen for generations.
USE 3
Her passion for ancient rituals felt like an atavism, connecting her to her ancestors in a profound way.