Where does “*rokkō” come from?

*rokkō (Proto-West Germanic) comes from Proto-Germanic rukkô, from Proto-Indo-European rukn-, from Proto-Indo-European ruk-.

Ancestry of “*rokkō”, step by step

StepLanguageWordMeaning
1Proto-Germanicrukkôspinning wheel, distaff
2Proto-Indo-Europeanrukn-—
3Proto-Indo-Europeanruk-—

Words derived from “*rokkō”

Every word from Proto-Indo-European ruk- →Every word from Proto-Indo-European rukn- →Every word from Proto-Germanic rukkô →