ọ̀mùnúmùnú noun /ɔ̀.mũ̀.nṹ.mũ̀.nṹ/
Definitions
  1. immature leaves on a tree
Source: Wiktionary, where this word is spelled “ọmunumunu”. Reference: en-ọmunumunu-yo-noun-eQHQDzi8