Where does “fotoelétrico” come from?

fotoelétrico (Portuguese) comes from Portuguese foto-, from Ancient Greek φωτός, from Ancient Greek φῶς, from Proto-Hellenic pʰáos, from Proto-Indo-European bʰéh₂os, from Proto-Indo-European bʰeh₂-, from Proto-Indo-European bʰeh₂-s-ri-.

fotoelétrico (Portuguese): photoelectric

Definitions

  1. photoelectric

Ancestry of “fotoelétrico”, step by step

StepLanguageWordMeaning
1Portuguesefoto-photo-
2Ancient Greekφωτόςgenitive singular of φῶς; light; of light
3Ancient GreekφῶςAttic form of φᾰ́ος
4Proto-Hellenicpʰáos—
5Proto-Indo-Europeanbʰéh₂os—
6Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
7Proto-Indo-Europeanbʰeh₂-s-ri-—
Every word from Proto-Indo-European bʰeh₂-s-ri- →Every word from Proto-Indo-European bʰeh₂- →Every word from Proto-Indo-European bʰéh₂os →