ṣụ̀nṣụ̀nwịnwịn noun /ʃʊ̃̀.ʃʊ̃̀.wɪ̃̄.wɪ̃̄/
Definitions
  1. Any plant of species Talinum fruticosum (waterleaf) Ekiti
Etymology
Perhaps Onomatopoeic.
Source: Wiktionary, where this word is spelled “ṣụnṣụnwịnwịn”. Reference: en-ṣụnṣụnwịnwịn-yo-noun-TOPgdq~W