ibú noun /ī.bú/
ubú (alternative)
Definitions
  1. a fall; (especially) accidental; the act of accidentally falling
Other entries with this spelling
Wiktionary records 2 entries spelled “ibú”. You're reading one of them; here are the others.
Etymology
Unclear if it is related to Etymology 1
Source: Wiktionary · etymology 2, where this word is spelled “ibu”. Reference: en-ibu-yo-noun-dj0ntmUj