• atavistic
• atavistically

atavistic (suomeksi)

• atavistisuus (s)
• atavistinen (a: biology: of the recurrence of a trait after an absence of generations / of a throwback / of the return of earlier, more primitive behavior)
• alkukantainen (a: of a throwback)
• takautuva (a: of the return of earlier, more primitive behavior)