ààyò noun /àà.jò/
Definitions
  1. favorite, chosen
    babá sa aṣọ náà ní ààyò The father assigned the clothes as his favorite
  2. A person who is beloved or cherished by someone; (especially) the favorite wife of a man idiomatic
    ọmọ olúgbó ụmọlẹ̀ àrìmáàyò yúbẹ̀, káàyò rẹ̀ ké ró súlé dè é The child of the forest of the deity that does not bring his beloved to accompany him, his beloved will wait for him patiently at home
Source: Wiktionary, where this word is spelled “aayo”. Reference: en-aayo-yo-noun-Yk04O1Xc