ìdánilẹ́kọ̀ọ́ noun /ì.dá.nĩ̄.lɛ́.ꜜkɔ́/
Definitions
  1. teaching; training; course
Etymology
From ì- (“nominalizing prefix”) + dá (“to give”) + ẹni (“person”) + ní + ẹ̀kọ́ (“lesson”).
Component words
ì-nominalizing prefixto give ẹniperson ẹ̀kọ́lesson
Source: Wiktionary, where this word is spelled “idanilẹkọọ”. Reference: en-idanilẹkọọ-yo-noun-ybXfFqau