Where does “sur” come from?

sur (Middle French) comes 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, from Proto-Indo-European h₃ewp-.

Ancestry of “sur”, step by step

sur traces back through two separate lines of ancestry.

via Old French seür

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

via Old French sur

StepLanguageWordMeaning
1Old Frenchsursour, biter
2Frankishsūracidic, sour; sour, acidic
3Proto-Germanicsūrazsour, acidic
4Proto-Indo-EuropeansuHróssour, salty, bitter

Words derived from “sur

Every word from Proto-Indo-European h₃ewp-
sur — Etymology, Origin & Word History | Etymology Explorer