àmukù noun /à.mũ̄.kù/
Definitions
  1. butt
  2. leftover of a drink
Etymology
From à- (“nominalizing prefix”) + mu (“to drink; to smoke”) + kù (“to remain”).
Component words
à-nominalizing prefixmuto drink; to smoketo remain
Source: Wiktionary, where this word is spelled “amuku”. Reference: en-amuku-yo-noun-uqnBUweR