Where does “su” come from?

su (French) comes from French sûr, from Middle French sur, from Old French seür, from Latin super, from Latin eks-uper, from Proto-Indo-European upéri, from Proto-Indo-European upér, from Proto-Indo-European upó.

su (French): past participle of savoir

Definitions

  1. past participle of savoir

Ancestry of “su”, step by step

su traces back through two separate lines of ancestry.

via French sûr

StepLanguageWordMeaning
1Frenchsûrsure, certain; trustworthy; safe
2Middle Frenchsur
3Old FrenchseürAlternative form of seur; sure
4Latinsuper"accusative" above, on the top of, upon;...
5Latineks-uper
6Proto-Indo-Europeanupérialternative reconstruction of *upér
7Proto-Indo-Europeanupérabove; over
8Proto-Indo-Europeanupóunder, below
9Proto-Indo-Europeanh₃ewp-

via Middle French sceu

StepLanguageWordMeaning
1Middle Frenchsceu

Words derived from “su

Every word from Proto-Indo-European h₃ewp-