mùgwẹ̀mùgwẹ̀ noun /mũ̀.ɡʷɛ̀.mũ̀.ɡʷɛ̀/
Definitions
  1. swimmer
Etymology
From reduplication of mà ùgwẹ̀ (“to know swimming”).
Component words
mà ùgwẹ̀to know swimming
Source: Wiktionary, where this word is spelled “mugwẹmugwẹ”. Reference: en-mugwẹmugwẹ-yo-noun-gjvD4BVc