Where does “altitude” come from?

altitude (Galician) comes from Latin altitūdō, from Latin altus, from Proto-Italic altos, from Proto-Indo-European h₂eltós, from Proto-Indo-European h₂él-.

altitude (Galician): altitude

Definitions

altitude

Ancestry of “altitude”, step by step

Step	Language	Word	Meaning
1	Latin	altitūdō	—
2	Latin	altus	high, tall; deep; profound
3	Proto-Italic	altos	—
4	Proto-Indo-European	h₂eltós	—
5	Proto-Indo-European	h₂él-	—

Every word from Proto-Indo-European h₂él- →

altitude — Etymology, Origin & Word History | Etymology Explorer