From Proto-Germanic*kambaz, from Proto-Indo-European*ǵómbʰos. Cognate with Old Saxon camb, Dutch kam, Old High German chamb (German Kamm), Old Norse kambr (Swedish kam); and with Ancient Greek γόμφος(gómphos, “pin”), Old Armenian ծամեմ(camem, “to chew”), Russian зуб(zub).