Where does “tetraacid” come from?

tetraacid (English) comes from English acid, 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.

tetraacid (English): Alternative form of tetracid

Definitions

  1. Alternative form of tetracid

Ancestry of “tetraacid”, step by step

tetraacid traces back through two separate lines of ancestry.

via English acid

StepLanguageWordMeaning
1EnglishacidSour, sharp, or biting to the taste; tart; having...
2Frenchacideacid, acidic, sour, tart; acid, acidic; acid
3Latinacidussour, tart, acid, bitter; harsh, grating, rough,...
4Latinaceōto be sour
5Proto-Italicakēōbe sharp-tasting, be sour
6Proto-Indo-Europeanh₂eḱ-éh₁-ye-ti
7Proto-Indo-Europeanh₂eḱ-sharp

via English tetra

StepLanguageWordMeaning
1EnglishtetraAny of numerous species of small South American...
2TranslingualTetragonopterus
3Ancient Greekπτερόνfeather; wing; Any winged creature
4Proto-Indo-Europeanpéth₂r̥wing; feather
5Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European h₂eḱ-éh₁-ye-tiEvery word from Proto-Italic akēō