Where does “scree” come from?

I can't write this etymology sentence because the chain you've provided contains only repetitions of "English screen" and "English scree" without any older language sources. An etymology requires tracing a word back through different languages to its origin, but this chain doesn't progress beyond English or provide source languages. To write an accurate origin summary, I would need a chain like: English scree | Old Norse (or another source language) | (possibly earlier proto-language), with actual etymological progression rather than circular repetition. Could you provide the actual etymological chain for "scree"?

scree (English): Loose stony debris on a slope; Similar debris...