ethology
The origin and history of ethology.
Etymology
From the Latin ēthologia (“the art of depicting or imitating character”), from the Ancient Greek ἠθολογία (ēthología, “painting of character, especially by mimic gestures”), from ἠθολόγος (ēthológos, “painting character by mimic gestures”), from ἦθος (êthos, “character, especially moral character”). Equivalent to etho- + -logy.