Where does “estroma” come from?

estroma (Portuguese) comes from Latin strōma, from Ancient Greek στρῶμα, from Proto-Hellenic strṓmə, from Proto-Indo-European sterh₃-, from Proto-Indo-European ster- — sterile, infertile.

estroma (Portuguese): stroma

Definitions

  1. stroma

Ancestry of “estroma”, step by step

StepLanguageWordMeaning
1Latinstrōmablanket; bedcover; coverlet
2Ancient Greekστρῶμαmattress, bed; bedclothes; horsecloth
3Proto-Hellenicstrṓmə—
4Proto-Indo-Europeansterh₃-to spread, extend, stretch out
5Proto-Indo-Europeanster-sterile, infertile
Every word from Proto-Indo-European ster- →Every word from Proto-Indo-European sterh₃- →Every word from Proto-Hellenic strṓmə →