Where does “fiordo” come from?

fiordo (Old High German) comes from Proto-West Germanic feurþō, from Proto-Germanic fedurþô — fourth.

Ancestry of “fiordo”, step by step

StepLanguageWordMeaning
1Proto-West Germanicfeurþōfourth
2Proto-Germanicfedurþôfourth

Words derived from “fiordo”

Every word from Proto-Germanic fedurþô →Every word from Proto-West Germanic feurþō →
fiordo — Etymology, Origin & Word History | Etymology Explorer