hladkou
Hladkou is a declined form of the adjective hladký, used in Czech and Slovak to mean smooth, even, or flat. It is a feminine singular form and appears in specific grammatical cases when describing a feminine noun, such as in phrases about texture, skin, or surfaces. The form is not a standalone word but a grammatical variant of the base adjective.
In Czech, hladkou functions as the feminine singular form in certain cases, most commonly the accusative and
In Slovak, the corresponding feminine singular instrumental form is also hladkou, but the accusative feminine singular
Etymology and connections: the word derives from the Proto-Slavic root meaning smooth or even and has cognates
See also: hladký (the masculine form), glatký/a (cognate forms in related languages).