Where does “Altamira” come from?

Altamira (Galician) comes from Galician alta, from Galician alto, from Old Portuguese alto, from Latin altus, from Proto-Italic altos, from Proto-Indo-European h₂eltós, from Proto-Indo-European h₂él- — to grow, nourish.

Ancestry of “Altamira”, step by step

Altamira traces back through two separate lines of ancestry.

via Galician alta

StepLanguageWordMeaning
1Galicianaltacertificate of discharge; entry into a profession...
2Galicianaltotall; high; deep
3Old Portuguesealto
4Latinaltushigh, tall; deep; profound
5Proto-Italicaltos
6Proto-Indo-Europeanh₂eltós
7Proto-Indo-Europeanh₂él-to grow, nourish

via Galician mira

StepLanguageWordMeaning
1Galicianmirainflection of mirar: ## third-person singular...
Every word from Proto-Indo-European h₂él-Every word from Proto-Indo-European h₂eltósEvery word from Proto-Italic altos
Altamira — Etymology, Origin & Word History | Etymology Explorer