Where does “tetraóxido” come from?

tetraóxido (Portuguese) comes from Portuguese óxido, from French oxyde, from French acide, from Latin acidus, from Latin aceō, from Proto-Italic akēō, from Proto-Indo-European h₂eḱ-éh₁-ye-ti, from Proto-Indo-European h₂eḱ- — sharp.

tetraóxido (Portuguese): tetroxide

Definitions

  1. tetroxide

Ancestry of “tetraóxido”, step by step

tetraóxido traces back through two separate lines of ancestry.

via Portuguese óxido

StepLanguageWordMeaning
1Portugueseóxidooxide
2Frenchoxydeoxide; first-person singular present indicative...
3Frenchacideacid, acidic, sour, tart; acid, acidic; acid
4Latinacidussour, tart, acid, bitter; harsh, grating, rough,...
5Latinaceōto be sour
6Proto-Italicakēōbe sharp-tasting, be sour
7Proto-Indo-Europeanh₂eḱ-éh₁-ye-ti
8Proto-Indo-Europeanh₂eḱ-sharp

via Spanish óxido

StepLanguageWordMeaning
1Spanishóxidooxide; rust
Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European h₂eḱ-éh₁-ye-tiEvery word from Proto-Italic akēō
tetraóxido — Etymology, Origin & Word History | Etymology Explorer