n.
Pronunciation: ē - ' thä-l ə -j ē
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 \ ˌ ē -th ə - ' lä-ji-k ə l, ˌ e-th ə - \ adjective
– ethol · o · gist \ ē - ' thä-l ə -jist \ noun