ikún noun /ī.kṹ/
Definitions
  1. A species of ground squirrel; (in particular), Euxerus erythropus, in Yoruba legends it is believed to be deaf
    Elétí dídi bí ikún The one who is deaf like the ground squirrel
Source: Wiktionary · etymology 3, where this word is spelled “ikun”. Reference: en-ikun-yo-noun-0VX2i9Vp