This was just with 2 ex-vBulletin developers. Imagine if Kier, Mike, Freddie, Scott, and Jerry were all working on this.
A rose by any other name is but a rose. Anyway, xenforo is quite easy to market (since it's unique and sounds...exotic).
My take on its meaning: Xen = Different Foro = Forum XenForo = Different Forum [meaning not like other ones]
Lol I agree on this... By take on it is Xen = Zen (minimalistic calming etc) Foro = Forum (just a cool short and different way of doing it **except for the spanish**)