The Super Eagles midfielder joined the Hornets on a season-long loan from Stoke City earlier this month
Oghenekaro Etebo said Watford will ensure to give their all when the 2021-22 Premier League season begins.
The 25-year-old was added as a midfield reinforcement to Xisco Munoz's side following the Hornets' promotion to the English top-flight last season.
Ahead of his maiden Premier League season, the former Getafe and Galatasaray star predicted "a long campaign" for the Hornets.
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He has also thanked his new teammates and the club's staff for welcoming him to "the family".