Where does “*alt” come from?

*alt (Proto-Brythonic) comes from Proto-Celtic altos, from Proto-Indo-European h₂eltós, from Proto-Indo-European h₂él- — to grow, nourish.

Ancestry of “*alt”, step by step

StepLanguageWordMeaning
1Proto-Celticaltosheight, cliff
2Proto-Indo-Europeanh₂eltós—
3Proto-Indo-Europeanh₂él-to grow, nourish

Words derived from “*alt”

Every word from Proto-Indo-European h₂él- →Every word from Proto-Indo-European h₂eltós →Every word from Proto-Celtic altos →