Where does “motherfuckingly” come from?

motherfuckingly (English) comes from English motherfucking, from English motherfucker, from English fucker, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō — he, she.

motherfuckingly (English): Extremely

Definitions

  1. Extremely

Ancestry of “motherfuckingly”, step by step

motherfuckingly traces back through two separate lines of ancestry.

via English motherfucking

StepLanguageWordMeaning
1Englishmotherfucking2006 August 17, Snakes on a Plane, spoken by...
2EnglishmotherfuckerAn extremely contemptible or mean person; Any...
3EnglishfuckerAn undesirable person; The object of some effort;...
4English-erA person or thing that does an action indicated...
5Middle English-eragentive suffix; agent noun suffix
6Old French-erAlternative form of -ier, verbal suffix;...
7Latin-ārefirst conjugation
8Proto-Italic-āōForms primarily denominative verbs
9Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
10Proto-Indo-European-yétiCreates intransitive, often deponent,...
11Proto-Indo-Europeanyé-
12Chichewaiyehe, she

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Chichewa iyeEvery word from English -erEvery word from Proto-Indo-European -yéti