ìyá ìyá noun /ì.já ì.já/
ìyá-ìyá (alternative)
Definitions
  1. maternal grandmother
Etymology
Compound of ìyá + ìyá, literally “mother's mother”.
Component words
Source: Wiktionary, where this word is spelled “iya iya”. Reference: en-iya_iya-yo-noun-HZ9Wyzdv