Where does “en” come from?

en (Translingual) comes from English ethylenediamine, from English diamine, from English amine, from English -ine, from French -ine, from French -é, from Middle French -é, from Old French -é.

Ancestry of “en”, step by step

en traces back through two separate lines of ancestry.

via English ethylenediamine

StepLanguageWordMeaning
1EnglishethylenediamineThe diamine NH-CH-CH-NH that is used in organic...
2EnglishdiamineAny compound containing two amino functional...
3EnglishamineA functional group formally derived from ammonia...
4English-ineOf or pertaining to; Used to form demonyms;...
5French-inefeminine singular of -in; female equivalent of...
6Frenchpast participle root verb suffix of regular -er...
7Middle Frenchpast participle root verb suffix of regular; -ed, -en, -n
8Old Frenchused to form past participles of regular -er...
9Latin-asuffixed to the roots of verbs, forms agent...
10Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
11Proto-Indo-European-éh₂

via English English

StepLanguageWordMeaning
1EnglishEnglishOf or pertaining to England; English-language; of...
2FrenchFrench
3EnglishFrenchThe people of France; groups of French people;...
4Middle EnglishFrench
5Old EnglishFrenċisċFrankish
6Old EnglishFrancaFrank, Frenchman; a Frank
7Proto-West Germanicfrankōspear, javelin; a Frank
8Proto-Germanicfrankôspear, javelin; a Frank
9Proto-Indo-EuropeanprAng-pole, stalk

Words derived from “en

Every word from Proto-Indo-European -éh₂
en — Etymology, Origin & Word History | Etymology Explorer