ìbu noun /ì.bū/
ùbu (alternative)
Definitions
  1. dustiness
Etymology
From ì- (“nominalizing prefix”) + bù (“to be dusty”)
Component words
ì-nominalizing prefixto be dusty
Source: Wiktionary · etymology 6, where this word is spelled “ibu”. Reference: en-ibu-yo-noun-3T~yUpwV