Where does “anhydrohydroxyprogesterone” come from?

anhydrohydroxyprogesterone (English) comes from English hydroxy-, from English hydroxyl, from English hydrogen, from French hydrogène, from French -gène, from Latin -genus, from Ancient Greek -γενής, from Ancient Greek -είᾱ — Creates action nouns or result nouns from verbs;...

Ancestry of “anhydrohydroxyprogesterone”, step by step

StepLanguageWordMeaning
1Englishhydroxy-having, or derived from, a hydroxyl radical
2EnglishhydroxylA univalent radical or functional group in...
3EnglishhydrogenThe lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008
4Frenchhydrogènehydrogen; first-person singular present...
5French-gène-gen, -genic
6Latin-genusborn from, sprung form
7Ancient Greek-γενήςborn in a certain place or condition; of a kind
8Ancient Greek-είᾱSuperficially appears in abstract nouns derived from σ-stem adjectives, with the true suffix being
9Ancient Greek-ήςadjective suffix
10Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
11Proto-Indo-European-ess
12Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -os