Where does “hétéropolyacide” come from?

hétéropolyacide (French) comes from French polyacide, 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.

hétéropolyacide (French): heteropoly acid

Definitions

heteropoly acid

Ancestry of “hétéropolyacide”, step by step

Step	Language	Word	Meaning
1	French	polyacide	polyacid
2	French	acide	acid, acidic, sour, tart; acid, acidic; acid
3	Latin	acidus	sour, tart, acid, bitter; harsh, grating, rough,...
4	Latin	aceō	to be sour
5	Proto-Italic	akēō	be sharp-tasting, be sour
6	Proto-Indo-European	h₂eḱ-éh₁-ye-ti	—
7	Proto-Indo-European	h₂eḱ-	sharp

Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂eḱ-éh₁-ye-ti →Every word from Proto-Italic akēō →