Where does “бумазе́я” come from?

бумазе́я (Russian) comes from French bombasin, from Italian bambagino, from Latin bombyx, from Ancient Greek βόμβυξ — silkworm; garment made of silk; deeptoned flute.

Ancestry of “бумазе́я”, step by step

Step	Language	Word	Meaning
1	French	bombasin	—
2	Italian	bambagino	cotton wool
3	Latin	bombyx	silkworm
4	Ancient Greek	βόμβυξ	silkworm; garment made of silk; deeptoned flute

Every word from Ancient Greek βόμβυξ →Every word from Latin bombyx →Every word from Italian bambagino →