ìdámẹ́jọ noun /ì.dá.mɛ́.ꜜd͡ʒɔ̄/
Definitions
  1. one-eighth
Etymology
Assimilation of ìdá mẹ́jọ.
Source: Wiktionary, where this word is spelled “idamẹjọ”. Reference: en-idamẹjọ-yo-noun-KLW9T-H5