←
Proto-Germanic *grōbō (inherited)
←
Middle High German grūbe (inherited)
←
Middle High German gruobe (mention)
←
Old High German gruoba (inherited)
←
Proto-Indo-European *gʰrebʰ- (derived)
→
Luxembourgish Grouf (cognate)
→
Mòcheno gruab (cognate)
→
Swedish gruva (derived)
→
Silesian gruba (borrowed)
→
Ukrainian груба (borrowed)