Where does “vastapsok” come from?

vastapsok (Hungarian) comes from Hungarian vastaps, from Hungarian Vas, from Proto-Uralic waśke, from Proto-Tocharian wi̯äsā, from Proto-Indo-European h₂é-h₂us-o-, from Proto-Indo-European h₂ews- — dawn; east; to draw water, scoop up.

Ancestry of “vastapsok”, step by step

StepLanguageWordMeaning
1Hungarianvastapsapplause; enthusiastic applause
2HungarianVasand in the former Kingdom of Hungary
3Proto-Uralicwaśkea metal; copper, iron?
4Proto-Tocharianwi̯äsāgold
5Proto-Indo-Europeanh₂é-h₂us-o-glow
6Proto-Indo-Europeanh₂ews-dawn; east; to draw water, scoop up
Every word from Proto-Indo-European h₂ews- →Every word from Proto-Indo-European h₂é-h₂us-o- →Every word from Proto-Tocharian wi̯äsā →