ẹẹ́rin num /ɛ̄ɛ́.ꜜɾĩ̄/
Definitions
  1. four (used when counting)
Etymology
Derived from owó + ẹ̀rin.
Source: Wiktionary, where this word is spelled “ẹẹrin”. Reference: en-ẹẹrin-yo-num-BlC3ayVi