75%RatingSave Gender Feminine Usage Lithuanian Pronounced Pron. nyi-YO-lyeh [key·IPA] Meaning & History Meaning unknown. This was possibly the name of a Lithuanian goddess of the underworld (according to the Polish-Lithuanian historian Teodor Narbutt). Name DaysName Days? Lithuania: January 28 Categories death deities, deities, goddesses, isograms, Lithuanian mythology, mythology, uncertain etymology, underworld deities, women and death