Where does “megavitamin” come from?

megavitamin (English) comes from English vitamin, from English vitamine, from English amine, from English -ine, from French -ine, from French -é, from Middle French -é, from Old French -é.

megavitamin (English): Involving megadoses of vitamins

Definitions

  1. Involving megadoses of vitamins

Ancestry of “megavitamin”, step by step

megavitamin traces back through two separate lines of ancestry.

via English vitamin

StepLanguageWordMeaning
1EnglishvitaminAny of a specific group of organic compounds...
2EnglishvitamineObsolete form of vitamin
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 mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Indo-European -éh₂Every word from English -ineEvery word from French -ine