Where does “nitrosodimethylamine” come from?

nitrosodimethylamine (English) comes from English dimethyl, from English di-, from Latin dī-, from Ancient Greek δί-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

Ancestry of “nitrosodimethylamine”, step by step

nitrosodimethylamine traces back through two separate lines of ancestry.

via English dimethyl

StepLanguageWordMeaning
1EnglishdimethylTwo methyl groups in a molecule
2Englishdi-API; two, twice, or double; Alternative form of...
3Latindī-Two, double; di
4Ancient Greekδί-Twice, double
5Ancient Greekδιάthroughout
6Proto-Indo-Europeandwístwice, doubly; in two
7Proto-Indo-Europeandwóh₁two

via English nitroso

StepLanguageWordMeaning
1EnglishnitrosoThe univalent radical and functional group -N=O
2Latinnitrōsusfull of various nitrogen-containing chemicals
Every word from Proto-Indo-European dwóh₁Every word from English di-Every word from Proto-Indo-European dwís