It's DokuWiki. Doku is short for “Dokumentation” – the German word for documentation. I'm from Germany so this was the very first working title and I think it sounds much better . It's spoken like dohkoo, the o is pronounced like in donut and the u sounds like the o in do.

If you came to thisdd page because you misspelled DokuWiki just proceed to the the correct spelled one: DokuWiki.

Extra keywords for anyone who might be searching for this information: pronunciation.