How to pronounce “stratigraphic” in English

We dig down in stratigraphic units, recording each one as we go, so we understand how the archaeological site was built up, and then, therefore, how we're essentially

Nothing about the context, the stratigraphic unit, I should say, of this artifact.

But what we start with out there in the field is a piece of paper called a context sheet that is going to tell us everything about the stratigraphic unit