Where does “miasmata” come from?

miasmata (English) comes from Ancient Greek μιάσματα, from Ancient Greek μίασμα, from Ancient Greek μιαίνω, from Proto-Indo-European smei- — to smear.

miasmata (English): plural of miasma

Definitions

plural of miasma

Ancestry of “miasmata”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	μιάσματα	—
2	Ancient Greek	μίασμα	pollution, defilement; shameful action, crime
3	Ancient Greek	μιαίνω	I paint; I stain, defile, pollute
4	Proto-Indo-European	smei-	to smear

Every word from Proto-Indo-European smei- →Every word from Ancient Greek μιαίνω →Every word from Ancient Greek μίασμα →