ígéretektl
The term "ígéretektl" is a Hungarian word. It is the plural form of "ígéret," which translates to "promise" in English. Therefore, "ígéretektl" refers to multiple promises.
In Hungarian grammar, the suffix "-ktl" is not a standard or recognized grammatical ending for pluralization
If the term was encountered in a specific context, it's possible it has a niche or colloquial