részleteiük
Részleteiük is a Hungarian morphological form that appears to express possession of details by a plural subject. In standard modern Hungarian, the most common way to say “their details” is the possessive plural form részleteik. The form részleteiük is less common and is often treated as a nonstandard, historical, or mistaken variant in contemporary usage.
The word at the base is részlet, meaning detail or part. The plural noun is részletek, and
In use, the possessive construction with részletek can denote ownership or association of details to a subject.
Overall, részleteiük is not a primary entry in modern Hungarian grammar; it is best understood as a