gbàù noun /ɡ͡bà.ù/
Definitions
  1. explosive; eruptive
    Bọ́ǹbù bú gbàù The bomb exploded
    Òkè Nyiragongo bú gbàù Nyiragongo erupted
Source: Wiktionary · etymology 1, where this word is spelled “gbau”. Reference: en-gbau-yo-noun-xLwBWiyw