Main Entry:

ethol·o·gy

Pronunciation:

\ē-ˈthä-lə-jē\

Function:

noun

Etymology:

Greek ethos + English -logy

Date:

circa 1843

1 : a branch of knowledge dealing with human character and with its formation and evolution 2 : the scientific and objective study of animal behavior especially under natural conditions

— etho·log·i·cal \ˌē-thə-ˈlä-ji-kəl, ˌe-thə-\ adjective

— ethol·o·gist \ē-ˈthä-lə-jist\ noun