Where does “Upper Bauko” come from?

Upper Bauko (English) comes from English upper, from Middle English upper.

Ancestry of “Upper Bauko”, step by step

StepLanguageWordMeaning
1EnglishupperAt a higher level, rank or position; Situated on...
2Middle Englishupper

Words derived from “Upper Bauko

Every word from Middle English upperEvery word from English upper
Upper Bauko — Etymology, Origin & Word History | Etymology Explorer