ṣoṣo noun /ʃō.ʃō/ spelling unconfirmed
Definitions
  1. only
    Ọ̀pá kan ṣoṣo níí lé igbaa mààkúù; òkò kan ṣoṣo níí tú igba ẹyẹ. It is only one wooden staff that drives two hundred cows; it is only one rock misile that disperses two hundred birds (incantation).
    Ọlọ́run nìkan ṣoṣo l'ó gbọ́n, ọ̀bọ lènìyàn. It is only God who is wise, a human creature is a fool. (proverb on divine wisdom)
Etymology
Compare Igbo sọ̀ọsọ̀ & Ogbah sọ̀ọsọ̀.
Source: Wiktionary, where this word is spelled “ṣoṣo”. Reference: en-ṣoṣo-yo-noun--QWxlULt