teljesítésüket
Teljesítésüket is a Hungarian noun form that functions as the definite direct object meaning “their fulfilment” or “their performance.” It is the combination of the noun teljesítés (fulfilment, performance, completion) with the third-person plural possessive marker -ük and the definite-object suffix -t. The form is used when the fulfilment being referred to belongs to a known group and is treated as a definite item in the sentence.
Linguistic and grammatical notes: teljesítés derives from the verb teljesít, with the suffix -és forming a noun
Usage: In legal, contractual, and business language, teljesítés is commonly used to refer to the act of