Perfektním
Perfektním is the instrumental singular form of the Czech adjective perfektní, meaning "perfect." It is used to describe a masculine or neuter noun in the instrumental case, or to express the manner in which an action is performed.
In Czech, adjectives agree with nouns in gender, number, and case. The instrumental singular form for masculine
Examples include: udělal to perfektním způsobem (he did it in a perfect/excellent manner) and výsledek byl dosažen
Etymology traces perfektní to the Latin word perfectus, passing into Czech through German, where the form or