Joost (name)

Joost is a male Dutch first name. It derives from the name Jodocus, which can ultimately be traced back to St. Judoc, a Breton saint of the 7th century: Jodocus → Josse → Joos → Joost (the addition of an end-t is a peculiarity of the Dutch language, especially some local dialects). 
Sometimes the (originally Ancient Roman) name Justus was used to represent "Joost". This may have led to confusion between "Justus" and "Jodocus" as the origin of "Joost". In Dutch proper it is pronounced . In Afrikaans it is pronounced .