Where does “sigma-uros” come from?

sigma-uros (Finnish) comes from Finnish uros, from Proto-Finnic uros, from Proto-Finno-Ugric urɜ — man, male.

sigma-uros (Finnish): sigma male

Definitions

  1. sigma male

Ancestry of “sigma-uros”, step by step

sigma-uros traces back through two separate lines of ancestry.

via Finnish uros

StepLanguageWordMeaning
1Finnishurosmale, especially of mammalian species; man, hero
2Proto-Finnicurosmale; man
3Proto-Finno-Ugricurɜman, male

via Finnish sigma

StepLanguageWordMeaning
1Finnishsigmasigma Greek letter
2Ancient Greekσίγμαsigma, the name for the eighteenth letter Σ, σ of the Ancient Greek alphabet
Every word from Proto-Finno-Ugric urɜ →Every word from Proto-Finnic uros →Every word from Finnish uros →