Where does “duodecaphonic” come from?

duodecaphonic (English) comes from English duodecaphony, from English -phony, from French -phonie, from English -phonia, from Ancient Greek φωνή, from Proto-Hellenic pʰōnā́, from Proto-Indo-European bʰoh₂-néh₂, from Proto-Indo-European bʰeh₂-.

Ancestry of “duodecaphonic”, step by step

duodecaphonic traces back through two separate lines of ancestry.

via English duodecaphony

StepLanguageWordMeaning
1Englishduodecaphony
2English-phonyForms nouns related to sound or musical structure
3French-phonie
4English-phoniaForms nouns describing a condition related to...
5Ancient Greekφωνήsound; Usually of the human voice: voice, cry,...
6Proto-Hellenicpʰōnā́
7Proto-Indo-Europeanbʰoh₂-néh₂
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European bʰeh₂-s-ri-Every word from Proto-Indo-European bʰeh₂-Every word from Proto-Indo-European bʰoh₂-néh₂