Where does “methhead” come from?

methhead (English) comes from English meth, from English methadone, from English dimethylamino, from English amino, from English amino-, from English amine, from English -ine, from French -ine.

methhead (English): A person who is a routine user of...

Definitions

  1. A person who is a routine user of...

Ancestry of “methhead”, step by step

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