This is the 2185th most frequent French word.
demie
"Demie" means "half" in English.
In this sentence, 'demie' indicates half an hour after six o'clock, forming the standard expression for 'six-thirty' in French.
Je me lève à six heures et demie chaque jour.
I wake up at six-thirty every day.
Here, 'demie' is used as a noun to indicate one half of an object, in this case, a pizza.
La pizza était coupée en deux moitiés, j'ai mangé une demie avec plaisir.
The pizza was cut into two halves; I ate one half with pleasure.
In this sentence, 'demie' refers to half an hour, complementing 'une heure' to specify the time duration of one and a half hours.