Where does “cousinfucker” come from?

cousinfucker (English) comes from English cousin, from Middle English cosyn, from Old French cosin, from Latin cōnsōbrīnus, from Latin cōn-, from Latin cum, from Old Latin com, from Proto-Italic kom — to bend; curve; arch; vault; to bow, bend, arch,...

cousinfucker (English): Motherfucker; One who engages in incestuous sex...

Definitions

  1. Motherfucker; One who engages in incestuous sex...

Ancestry of “cousinfucker”, step by step

cousinfucker traces back through two separate lines of ancestry.

via English cousin

StepLanguageWordMeaning
1EnglishcousinThe child of a person's uncle or aunt; a first...
2Middle EnglishcosynA member of one's family; one's partner, relative...
3Old Frenchcosincousin
4Latincōnsōbrīnusa first cousin, cousin-german
5Latincōn-Used in compounds to indicate a being or bringing together of several objects
6Latincumwith, along with; at; -fold
7Old LatincomAlternative form of cum
8Proto-Italickomwith, along, at
9Proto-Indo-Europeanḱómbeside, near, by, with
10Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
11Middle Englishkyt
12Germankittputty certain kinds of cement used for fixing e.g. window panes
13Old High Germankuti
14Proto-West Germanickwidugum, resin
15Proto-Germanickweduzresin
16Proto-Indo-Europeangʷet-resin, gum; to say, speak
17Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English fucker

StepLanguageWordMeaning
1EnglishfuckerAn undesirable person; The object of some effort;...
2English-erA person or thing that does an action indicated...
3Middle English-eragentive suffix; agent noun suffix
4Old French-erAlternative form of -ier, verbal suffix;...
5Latin-ārefirst conjugation
6Proto-Italic-āōForms primarily denominative verbs
7Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she
Every word from Proto-Indo-European gū-Every word from Latin cōn-Every word from Proto-Indo-European gʷet-
cousinfucker — Etymology, Origin & Word History | Etymology Explorer