This is the 623rd most frequent Slovak word.
základnej
"Základnej" means "elementary" or "basic" in English, typically used in the context of "primary" or "fundamental."
The word 'základnej' is used here as genitive singular form of 'základná' relating to 'school', specifying the level of education.
Chodil som na základnú školu v Bratislave.
I attended elementary school in Bratislava.
Here, 'základnej' is used as an adjective in genitive singular to describe 'skills' (zdatnosti), meaning foundational or fundamental.
Úroveň základnej matematickej zdatnosti je nevyhnutná pre pokročilé štúdium.
Basic mathematical skills are necessary for advanced studies.
In this case, 'základnej' describes teaching of 'etiquette' (etikety), signifying elementary level understanding.