Where does “syberw” come from?

syberw (Welsh) comes from Middle Welsh syberw, from Proto-Brythonic *suberβ, from Latin Superbus, from Latin superbus, from Latin super, from Latin eks-uper, from Proto-Indo-European upéri, from Proto-Indo-European upér.

Ancestry of “syberw”, step by step

StepLanguageWordMeaning
1Middle Welshsyberwrefined
2Proto-Brythonic*suberβ
3LatinSuperbusthe cognomen of the younger Tarquin, the last king of Rome
4Latinsuperbusproud, rude, supercilious, arrogant, haughty,...
5Latinsuper"accusative" above, on the top of, upon;...
6Latineks-uper
7Proto-Indo-Europeanupérialternative reconstruction of *upér
8Proto-Indo-Europeanupérabove; over
9Proto-Indo-Europeanupóunder, below
10Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European h₃ewp-