iwú noun /ī.wú/
ewú (alternative)
Definitions
  1. gray hair Ekiti
    Ín ó fọọ́ piwú May you use your hand to rub gray hair
Etymology
From Proto-Yoruboid *í-ɓṹ, cognate with Igala ímú.
Source: Wiktionary, where this word is spelled “iwu”. Reference: en-iwu-yo-noun-OLvORTUL