Where does “spamvertising” come from?

spamvertising (English) comes from English advertising, from English advertise, from Middle English advertisen, from Middle French advertir, from Old French avertir, from Latin advertō, from Latin ad-, from Latin īn- — in.

spamvertising (English): The practice of sending spam email, or of posting...

Definitions

  1. The practice of sending spam email, or of posting...

Ancestry of “spamvertising”, step by step

spamvertising traces back through two separate lines of ancestry.

via English advertising

StepLanguageWordMeaning
1EnglishadvertisingCommunication whose purpose is to influence...
2EnglishadvertiseTo give (especially public) notice of (something); to announce publicly
3Middle EnglishadvertisenTo pay attention
4Middle Frenchadvertirto warn
5Old Frenchavertirto inform; to notify; to notice; to remark
6Latinadvertōto turn to or towards
7Latinad-to; usually prefixed to verbs, in which cases it...
8Latinīn-un-, non-, not
9Latinînin, at, on, upon, from (space)
10Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
11Proto-Italicenin
12Proto-Indo-Europeanh₁énin

via English spam

StepLanguageWordMeaning
1EnglishspamUnsolicited bulk electronic messages; Any...
Every word from Proto-Indo-European h₁én
spamvertising — Etymology, Origin & Word History | Etymology Explorer