Where does “pyruvoyl” come from?

pyruvoyl (English) comes from English -oyl, from English -yl, from French méthylène, from Ancient Greek μέθυ, from Proto-Hellenic métʰu, from Proto-Indo-European médʰu — honey; honey wine, mead.

pyruvoyl (English): The univalent radical derived from pyruvic acid by loss of a hydroxyl group

Definitions

The univalent radical derived from pyruvic acid by loss of a hydroxyl group

Ancestry of “pyruvoyl”, step by step

Step	Language	Word	Meaning
1	English	-oyl	Forming the names of acyl radicals from the names...
2	English	-yl	A univalent radical or functional group formed...
3	French	méthylène	methylene
4	Ancient Greek	μέθυ	wine
5	Proto-Hellenic	métʰu	intoxicating drink; mead
6	Proto-Indo-European	médʰu	honey; honey wine, mead

Every word from Proto-Indo-European médʰu →Every word from English -yl →Every word from Proto-Hellenic métʰu →