ìdámárùn-ún noun /ì.dá.má.ꜜɾṹ/
ìdámárùnún (alternative), ìdámárùn (alternative)
Definitions
  1. one-fifth
Etymology
Assimilation of ìdá márùn-ún.
Source: Wiktionary, where this word is spelled “idamarun-un”. Reference: en-idamarun-un-yo-noun-qWJl~r8h