Where does “osmium” come from?

I need to work through this chain carefully, but I notice there's a significant problem: the chain provided doesn't actually connect to "osmium." Osmium comes from the Greek word "osmē" (ὀσμή) meaning "smell/odor," + the Latin chemical suffix "-ium". The chain you've provided (ὄζω, -us, h₃ed-ye-, h₃ed-, -ós) doesn't trace back to osmē or explain how we get to a word meaning "smell." The chain as given appears to trace a different etymological line that doesn't support the headword "osmium." I cannot write an accurate one-sentence summary because: 1. The chain doesn't connect to the known etymology of osmium 2. Following your instruction to "state only what the chain supports," I cannot invent the missing steps 3. Creating a sentence from this chain would

osmium (English): A chemical element with atomic number 76: a...