[staunch]

I say day-mon because it's less alarming for non-technical people and less ambiguous for technical people.

But, in accord with the robustness principle, I'm happy to accept any pronunciation.

[mindcrime]

I say day-mon because it's less alarming for non-technical people and less ambiguous for technical people.

Same. Even though it's probably technically incorrect in some pedantic sense, this pronunciation just makes more sense to me.