yóò verb /jóò/ /jóó/
yóó (canonical), yíò (alternative), yíó (alternative), óò (alternative), ó (alternative)
Definitions
  1. will, shall; marks the intentional aspect (see table below), representing an intention to do something. Sometimes described as a marker of future tense or volition. auxiliary
Source: Wiktionary, where this word is spelled “yoo”. Reference: en-yoo-yo-verb-yo:intentional