Where does “جنوبگان” come from?

جنوبگان (Persian) comes from Persian ـگان, from Middle Persian -kʾn'.

Ancestry of “جنوبگان”, step by step

جنوبگان traces back through two separate lines of ancestry.

via Persian ـگان

StepLanguageWordMeaning
1Persianـگانa suffix used to form adjectives and nouns with the meaning of "pertaining to" or "relating to" but many have developed to more specific meanings
2Middle Persian-kʾn'

via Persian جنوب

StepLanguageWordMeaning
1Persianجنوبsouth
2Arabicجَنُوبsouth
Every word from Middle Persian -kʾn' →Every word from Persian ـگان →