fejldésé
Fejldésé is not a standard Hungarian word. It is most likely a misspelling or typographical variant of fejlődésé, the possessive form related to the noun fejlődés (development, growth). In Hungarian, fejlődés is the general term for progression over time, and the root verb is fejlődni (to develop, to mature). The form fejlődésé marks a third-person possessive relationship, as in phrases such as fejlődéséhez (to its development), fejlődéséről (about its development), or fejlődését (its development), depending on case and harmony.
When used with other nouns, it forms noun phrases like a projekt fejlődése (the development of the
Etymology: The noun fejlődés is formed with the suffix -dés from the verb fejlődni, producing a general
Notes: If the intended form is indeed fejldésé, a native speaker or corpus search would be helpful