Where does “diethylenetriaminepentaacetic acid” come from?

diethylenetriaminepentaacetic acid (English) comes from English triamine, from English amine, from English -ine, from French -ine, from French -é, from Middle French -é, from Old French -é, from Latin -a.

Ancestry of “diethylenetriaminepentaacetic acid”, step by step

diethylenetriaminepentaacetic acid traces back through 3 separate lines of ancestry.

via English triamine

StepLanguageWordMeaning
1EnglishtriamineAny compound having three amino groups
2EnglishamineA functional group formally derived from ammonia...
3English-ineOf or pertaining to; Used to form demonyms;...
4French-inefeminine singular of -in; female equivalent of...
5Frenchpast participle root verb suffix of regular -er...
6Middle Frenchpast participle root verb suffix of regular; -ed, -en, -n
7Old Frenchused to form past participles of regular -er...
8Latin-asuffixed to the roots of verbs, forms agent...
9Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
10Proto-Indo-European-éh₂

via English acetic

StepLanguageWordMeaning
1EnglishaceticOf, pertaining to, or producing vinegar; Of or...
2Frenchacétiqueacetic
3Latinacētumvinegar
4Latinaceōto be sour
5Proto-Italicakēōbe sharp-tasting, be sour
6Proto-Indo-Europeanh₂eḱ-éh₁-ye-ti
7Proto-Indo-Europeanh₂eḱ-sharp

via English diethylene

StepLanguageWordMeaning
1EnglishdiethyleneTwo ethylene 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
Every word from Proto-Indo-European -éh₂