harmonickém
the term harmonickém is the instrumental case form of the czech adjective harmonický, which translates to "harmonic" in english. this grammatical case is used to indicate the means or instrument by which an action is performed. in czech grammar, the instrumental case often answers the questions "with whom?" or "with what?".
harmonický derives from the noun harmonie, meaning harmony, and is commonly used in various contexts including
in musical contexts, it refers to chord structures and relationships between notes that create pleasing sounds.