Where does “tromethamine” come from?

tromethamine (English) comes from English methamine, from English meth, from English methadone, from English dimethylamino, from English amino, from English amino-, from English amine, from English -ine.

Ancestry of “tromethamine”, step by step

tromethamine traces back through two separate lines of ancestry.

via English methamine

StepLanguageWordMeaning
1EnglishmethamineHexamine
2EnglishmethMethamphetamine, especially in the form of the...
3EnglishmethadoneA powerful synthetic analgesic drug which is...
4EnglishdimethylaminoThe univalent radical N- derived from...
5EnglishaminoRelating to an amine; The amine functional group
6Englishamino-Of amines and of the amino functional group
7EnglishamineA functional group formally derived from ammonia...
8English-ineOf or pertaining to; Used to form demonyms;...
9French-inefeminine singular of -in; female equivalent of...
10Frenchpast participle root verb suffix of regular -er...
11Middle Frenchpast participle root verb suffix of regular; -ed, -en, -n
12Old Frenchused to form past participles of regular -er...
13Latin-asuffixed to the roots of verbs, forms agent...
14Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
15Proto-Indo-European-éh₂

via English trishydroxymethyl

StepLanguageWordMeaning
1Englishtrishydroxymethyl
Every word from Proto-Indo-European -éh₂