great- BrE AmE ¦ɡreɪt —Compounds in great- are usually late-stressed: ˌ great- ˈ grand ˌ daughter. However great-aunt and great-uncle , which are regularly subject to stress-shifting in names ( ˌ great- ˈ aunt ◂ , ˌ Great-Aunt ˈ Mary), are by some people always given early stress.
GREAT-
Meaning of GREAT- in English
Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012