noun
milieu; environment; surroundings
A somewhat formal or literary term for a person's social or cultural environment, borrowed from French. Often used in sociological or artistic contexts.
from French
彼は芸術家のミリューで育った。
He grew up in an artistic milieu.
この小説は19世紀パリのミリューを描いている。
This novel depicts the milieu of 19th-century Paris.