Where does “fénysebességek” come from?

fénysebességek (Hungarian) comes from Hungarian fénysebesség, from Hungarian sebesség, from Hungarian sebes, from Hungarian seb, from English Sebastian, from Latin Sebastianus, from Latin Sebastus, from Ancient Greek Σεβαστός.

Ancestry of “fénysebességek”, step by step

StepLanguageWordMeaning
1Hungarianfénysebességspeed of light, lightspeed
2Hungariansebességspeed, velocity; gear
3Hungariansebeswounded; fast, quick
4Hungariansebwound
5EnglishSebastian
6LatinSebastianus
7LatinSebastus
8Ancient GreekΣεβαστόςaugust, venerable, exalted
9LatinAugustusvenerable
10Proto-Indo-Europeanh₂ewg-to increase, to enlarge
11Proto-Indo-Europeanh₂weg-to increase, to enlarge
12Proto-Indo-Europeanh₂ug-
Every word from Proto-Indo-European h₂ug-Every word from Proto-Indo-European h₂weg-Every word from Proto-Indo-European h₂ewg-
fénysebességek — Etymology, Origin & Word History | Etymology Explorer