nine night
/ˈnʌɪn ˈˌnʌɪt/(also nine nights) Caribbean
noun
1Nine nights (and days) of ritual celebration which follow the burial of a dead person.
2The ninth night following a burial, after which the spirit of the dead person is believed finally to rest; the culmination or main focus of the nine night celebration.
Origin
Late 19th century; earliest use found in Folklore. From nine + night.