ìyáàlù noun /ì.jáà.lù/
ìyá ìlù (alternative)
Definitions
  1. The largest drum in any Yoruba ensemble of drums and with the lowest pitch. Each of the 4 families of drums among the Yoruba bàtá, dùndún, sákárà, and gbẹ̀du has the "mother drum."
Etymology
ìyá (“mother”) + ìlù (“drum”), literally “Mother drum”
Component words
Source: Wiktionary, where this word is spelled “iyaalu”. Reference: en-iyaalu-yo-noun-8vokR9Tt