ethology

Concise Oxford English Dictionary © 2008 Oxford University Press:
ethology /iːˈθɒlədʒi/

▶noun

• 1 the science of animal behaviour.

• 2 the study of human behaviour and social organization from a biological perspective.

– derivatives
ethological adjective,
ethologist noun.

– origin C19: via L. from Gk ēthologia, from ēthos (see ethos).