érkezésükkor
érkezésükkor is a Hungarian word that translates to "upon their arrival" or "when they arrived" in English. It is a temporal adverbial phrase indicating the moment in time when a subject or subjects reached a particular location or state. The word itself is formed by combining the noun "érkezés" (arrival) with the possessive suffix "-ük" (their) and the postposition "-kor" (at the time of, upon).
This phrase is commonly used in Hungarian to describe events that occurred at the exact time of