From Wiktionary, the free dictionary
ò- (“nominalizing prefix”) + rírùn (“partial reduplication of rùn to smell”)
òrírùn
- (Ekiti, Ikalẹ) Alternative form of òórùn (“smell”)
orí (“soul, head”) + run (“to originate”)
orírun
- source, origin
- In the Yoruba religion, the place where the soul originates from
- Synonyms: orísun, ìṣẹ̀