Webster's Revised Unabridged Dictionary · 1913

Milieu

Milieu (me*lyẽ") , noun

[French, from mi middle (Latin medius) + lieu place. See Demi-, Lieu.]

Environment.
The intellectual and moral milieu created by multitudes of self-centered, cultivated personalities. — J. A. Symonds
It is one of the great outstanding facts of his progressive relation to the elements of his social milieu. — J. M. Baldwin