This is the 102nd most frequent Romanian word.
rus
The Romanian word "rus" means "Russian" in English.
Here, 'rusul' serves as a noun by itself due to the definite article attached to it, referring to a Russian individual (a man).
Rusul pe care l-am întâlnit a fost foarte prietenos.
The Russian man I met was very friendly.
Here, 'rus' is used as an adjective to describe nationality, indicating the teacher is from Russia.
Am cunoscut ieri un profesor rus.
Yesterday, I met a Russian teacher.
In this context, 'rus' again functions as an adjective, describing the type of cuisine or style associated with Russia.