Where does “corb” come from?

corb (English) comes from Latin corbis, from Proto-West Germanic korb, from Proto-Germanic kurbaz, from Proto-Germanic krebô, from Proto-Indo-European gerbʰ-, from Proto-Indo-European ger- — to turn, bend, twist, wind; to tie, bind...

corb (English): A basket used in coal mines, etc.; a corf; An...