ìfìrósínròójẹ noun /ì.fì.ɾó.sĩ́.ɾòó.d͡ʒɛ̄/
Definitions
  1. onomatopoeia
Etymology
From ì- (“nominalising prefix”) + fi (“to use”) + ìró (“sound”) + sín jẹ (“to imitate”) + ìró (“sound”). Literally ‘‘the use of a sound to imitate a sound’’.
Component words
ì-nominalising prefixfito useìrósoundsín jẹto imitateìrósound
Source: Wiktionary, where this word is spelled “ifirosinroojẹ”. Reference: en-ifirosinroojẹ-yo-noun-YoEmU~IW