Auto is etymologically related to Automobile. Auto is a synonym of Automatic. 
Italian is related to Language. Language is related to Native. Native is related to Original. Original is related to Colony. 
Automobile <--EtymologicallyRelatedTo-- Auto <--Synonym--> Automatic 
Italian <--RelatedTo--> Language <--RelatedTo--> Native <--RelatedTo--> Original <--RelatedTo--> Colony 