This is the 6580th most frequent Japanese word.
デミ
"デミ" (Demi) is a borrowed term from French, meaning "half" or "semi."
Here, 'デミ' is part of the word 'デミグラスソース' referring to a type of rich brown sauce often used in Western-style cooking.
この料理には、デミグラスソースが使われています。
This dish uses demi-glace sauce.
In this context, 'デミ' is the beginning of the name 'デミトリ' (Dimitri), showing usage in personal names.
彼はデミトリという名前で呼ばれています。
He is called Dimitri.
The word 'デミ' is used here to imply 'half' (commonly referring to measurements) in this context.