nìní noun /nĩ̀.nĩ́/
Definitions
  1. a beautiful snake, noted to be non-venomous; the Red-black striped snake
    Nìní sunwọ̀n l’éjò, ara ń t’ọká The red-back striped snake is beautiful amongst the snakes, and jealousy is that of the gaboon viper
Source: Wiktionary, where this word is spelled “nini”. Reference: en-nini-yo-noun-M5C4auyM