This is the 668th most frequent Czech word.
hlavního
The Czech word "hlavního" means "main" or "chief" in English, as a genitive or accusative form of "hlavní."
Here, 'hlavního' describes 'sálu (hall)' as in being primary or main, used in the genitive case to denote possession or relation.
Hledali jsme vchod do hlavního sálu.
We were looking for the entrance to the main hall.
In this sentence, 'hlavního' refers to 'řidiče (driver)' indicating the primary or leading driver, used in the genitive case within a negated conditional structure.
Bez hlavního řidiče by naše cesta neproběhla.
Without the main driver, our trip would not have happened.
Here, 'hlavního' modifies 'bodu (point)' to specify that it is the main or most important aspect of a discussion, employing the genitive case to describe the relationship.