Definition of origin noun from the Oxford Advanced Learner's Dictionary
origin
noun
ˈɒrɪdʒɪn ˈɔːrɪdʒɪn
[countable, uncountable]also origins[plural]
1the point from which something starts; the cause of somethingthe origins of life on earthMost coughs are viral in origin(= caused by a virus).The origin of the word remains obscure.This particular custom has its origins in Wales.2a person's social and family backgroundShe has risen from humble origins to immense wealth.children of various ethnic originspeople of German origina person's country of origin(= where they were born)
ˈɒrɪdʒɪn 
ˈɔːrɪdʒɪn 
1 the point from which something starts; the cause of somethingthe origins of life on earthMost coughs are viral in origin (= caused by a virus).The origin of the word remains obscure.This particular custom has its origins in Wales.