Where does “spyware” come from?

I can't write this etymology because the chain provided contains only English entries with no older language stages. An etymology requires tracing a word back through earlier languages; this chain shows only circular repetition within English itself (soft/software alternating). To write an accurate etymology for "spyware," I would need the chain to show the actual origin sources (such as the component words "spy" and "ware" traced to their respective origins, or historical attestations showing how the compound formed). Could you provide the correct etymological chain?

spyware (English): Programs that surreptitiously monitor and report...