Where does “fénymásodperc” come from?

fénymásodperc (Hungarian) comes from Hungarian másodperc, from Hungarian másod, from Hungarian -öd, from Hungarian -ö-, from Hungarian -d, from Middle Welsh -nt — 3rd person plural verb ending.

fénymásodperc (Hungarian): light second unit of length equal to the distance light travels in one second, approx. 300,000 kilometres

Definitions

  1. light second unit of length equal to the distance light travels in one second, approx. 300,000 kilometres

Ancestry of “fénymásodperc”, step by step

fénymásodperc traces back through two separate lines of ancestry.

via Hungarian másodperc

StepLanguageWordMeaning
1Hungarianmásodpercsecond
2Hungarianmásodsecond
3Hungarian-ödyour; Used to form the second-person singular...
4Hungarian-ö-linking vowel
5Hungarian-dyour; Used in the second-person singular definite...
6Middle Welsh-nt3rd person plural verb ending

via Hungarian fény

StepLanguageWordMeaning
1Hungarianfénylight; shine
2Proto-Uralicpäjwä? warmth; ? sun; ? fire
3Proto-Uralicpäje—
Every word from Middle Welsh -nt →Every word from Hungarian -d →Every word from Hungarian -öd →