àáyán noun /àá.jã́/
Definitions
  1. A tree that is regarded as sacred, it is known for being the tree where the Aláàfin of Ọ̀yọ́ Ṣàngó is said to have hanged himself, and later deified
Source: Wiktionary · etymology 3, where this word is spelled “aayan”. Reference: en-aayan-yo-noun-G5taqleF