osun noun /ō.sũ̄/ spelling unconfirmed
ehun (alternative)
Definitions
  1. mushroom, fungi Ekiti
    (Oǹdó)
Etymology
From o- (“agent prefix”) + sun (“to sprout”), literally “that which sprouts (suddenly)”. Compare with Igala óru. Proposed to be derived Proto-Yoruba *ó-sũ. Also potentially related to Edo itu, Urhobo itu
Component words
o-agent prefix sunto sprout
Source: Wiktionary · etymology 1, where this word is spelled “osun”. Reference: en-osun-yo-noun-FuyvW6Lv