Where does “acido” come from?

acido (Ido) comes from Spanish ácido, from Latin acidus, from Latin aceō, from Proto-Italic akēō, from Proto-Indo-European h₂eḱ-éh₁-ye-ti, from Proto-Indo-European h₂eḱ- — sharp.

acido (Ido): acid

Definitions

acid

Ancestry of “acido”, step by step

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