Latin word collum comes from Proto-Indo-European *kʷel-

Detailed word origin of collum

Dictionary entry	Language	Definition
*kʷel-	Proto-Indo-European (ine-pro)
*kʷolso-	Proto-Indo-European (ine-pro)
collum	Latin (lat)	(anatomy) neck, throat. (symbolically) servitude. Upper stem of a plant.

Words with the same origin as collum