yẹn det /ꜜjɛ̃̄/ spelling unconfirmed
Definitions
  1. that
    Ọdún kan náà yẹn ni mo gbéyàwó That same year is when I got married
    Mo fẹ́ ka ìwé yẹn I want to read that book
Etymology
Clipping of ìyẹn. Coganate with Ìjẹ̀bú, Ìkálẹ̀ Yoruba yẹ̀n.
Source: Wiktionary · etymology 1, where this word is spelled “yẹn”. Reference: en-yẹn-yo-det-jn~AI2r0