This is the 8582nd most frequent French word.
appart
"Appart" is short for "appartement," meaning "apartment" in English.
Here, 'appart' is used as the shorthand term for 'appartement,' referring to a residential living space.
J'ai trouvé un appart près de mon université.
I found an apartment near my university.
In this sentence, 'appart' again is a casual term for 'appartement,' describing someone's place of residence.
Son appart est toujours bien rangé et propre.
His apartment is always tidy and clean.
'Appart' serves here the same function, indicating a place of housing, and the word provides a familiar tone.