Where does “viaszuk” come from?

viaszuk (Hungarian) comes from Hungarian viasz, from Slovene vosek, from Proto-Slavic võskъ — wax.

Ancestry of “viaszuk”, step by step

StepLanguageWordMeaning
1Hungarianviaszwax
2Slovenevosekwax
3Proto-Slavicvõskъwax
Every word from Proto-Slavic võskъEvery word from Slovene vosekEvery word from Hungarian viasz