zkracují
"Zkracují" is a Czech verb that means "they shorten" or "they abbreviate." It is the third-person plural form of the verb "zkracovat," which means "to shorten" or "to abbreviate." The verb "zkracovat" is derived from the prefix "z-" and the root "krac," which comes from the word "kratký," meaning "short." The verb "zkracovat" is used to describe the action of making something shorter or more concise, such as shortening a sentence, abbreviating a word, or reducing the length of a document. It can also be used in a metaphorical sense to describe the action of making something less complex or more efficient. The verb "zkracovat" is a regular verb in Czech, and its past tense form is "zkracovali."