The word "Emberfast" can be spelled as /ˈɛmbərfæst/. The first part of the word "Ember" can be pronounced as /ˈɛmbər/ which refers to the small piece of wood or coal that remains after a fire goes out. The second part of the word "fast" can be pronounced as /fæst/ which means tight, firmly or securely attached. Putting these two words together, Emberfast means something that is tightly attached and connected to the remaining embers of a fire.