How to pronounce “gnawing”(verb) in English

and the wave action will turn the -- they carve the tongue of the glacier into kind of a scallop pattern from the -- kind of like the waves kind ofgnawing at the ice. Looks like a big bill of, like, a sawtooth shark. It's another view of Mount Erebus lookingthe other way. Mount Erebus the big, uh, volcano in the background.