Where does “kozmonauták” come from?

kozmonauták (Hungarian) comes from Hungarian kozmonauta, from English cosmonaut, from Russian космона́вт, from Ancient Greek ναύτης, from Ancient Greek -τής, from Ancient Greek πεῖρα, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “kozmonauták”, step by step

StepLanguageWordMeaning
1Hungariankozmonautacosmonaut
2EnglishcosmonautAn astronaut, especially a Russian or Soviet one
3Russianкосмона́втcosmonaut (the Russian or Soviet equivalent of an astronaut)
4Ancient Greekναύτηςsailor, seaman; companion at sea
5Ancient Greek-τήςAppended to verbs to form agent nouns
6Ancient Greekπεῖραtrial, experiment, attempt
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Ancient Greek -τής