Where does “sostẽer” come from?

sostẽer (Old Portuguese) comes from Latin sustineo, from Latin sub-, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “sostẽer”, step by step

StepLanguageWordMeaning
1LatinsustineoI hold up or upright, uphold, keep up, bear up,...
2Latinsub-under, sub
3Proto-Indo-Europeanupóunder, below
4Proto-Indo-Europeanh₃ewp-—

Words derived from “sostẽer”

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Latin sub- →