Pọ̀síi name /k͡pɔ̀.síī/
Definitions
  1. a unisex given name meaning “to increase”, it is a shortened form or nickname for much longer names, ex. Ayọ̀mipọ̀síi
Etymology
From pọ̀ sí i (“to augment; to increase”).
Source: Wiktionary, where this word is spelled “Pọsii”. Reference: en-Pọsii-yo-name-1QOYtyUP