Where does “polyketone” come from?

polyketone (English) comes from English ketone, from German Keton, from German Aketon, from French acétone, from Latin acētum, from French -ate, from Latin -ātus, from Proto-Italic -ātos.

polyketone (English): Any of several polymers whose repeat units are...

Definitions

Any of several polymers whose repeat units are...

Ancestry of “polyketone”, step by step

Step	Language	Word	Meaning
1	English	ketone	A homologous series of organic molecules whose...
2	German	Keton	ketone
3	German	Aketon	acetone
4	French	acétone	acetone
5	Latin	acētum	—
6	French	-ate	-ate
7	Latin	-ātus	—
8	Proto-Italic	-ātos	—
9	Proto-Indo-European	-éh₂tos	—

Every word from Proto-Indo-European -éh₂tos →

polyketone — Etymology, Origin & Word History | Etymology Explorer